First contacts

This is a list of first contacts between civilizations:
== First contact events where the exact date is known ==
=== Human (pre-Federation) ===
Race 	Year	Location 	Who 	Source	Notes
Vulcans 	2063	Bozeman, Montana, Earth 	Dr. Zefram Cochrane 	 	First official contact between Humans and any alien species
Klingons 	2151	Broken Bow, Oklahoma, Earth 	Starfleet Command 	 	Before the airing of this episode, first contact was widely assumed to have been in 2223
Suliban 	2151	Interstellar space 	 	 	
Axanar 	2151	Unknown system 	 	 	
Xyrillians 	2151	Interstellar space 	 	 	
Andorians 	2151	The P'Jem monastery, on an unnamed planet	Captain Jonathan Archer 	 	
Akaali 	2151	Akaali homeworld 	Captain Jonathan Archer, T'Pol, Hoshi Sato, Charles Tucker III	 	Contact limited to a single Akaali individual, Riaan
Malurians 	2151	Akaali homeworld 	Captain Jonathan Archer, T'Pol, Hoshi Sato, Charles Tucker III	 	
Nausicaans 	2151	Interstellar space 	Captain Jonathan Archer 	 	This was the first official Starfleet first contact. Contact between the Nausicaans and the Earth Cargo Service personnel they've raided before seems likely.
Valakians 	2151	Interstellar space near Valakis 	Enterprise NX-01 	 	A rare first contact with a pre-warp civilization, even before this became prohibited
Menk 	2151	Valakis 	Enterprise NX-01 	 	This primitive species shared its planet with the Valakians, and were encountered in association with them
Coridanites	2151	Coridan 	Enterprise NX-01 	 	
Eska 	2151	Dakala 	Captain Jonathan Archer 	 	
Wraiths 	2151	Dakala 	Captain Jonathan Archer 	 	
Kantare 	2151	Unnamed planet 	Enterprise NX-01 	 	
Tandarans 	2152	Detention Complex 26 	Jonathan Archer, Travis Mayweather 	 	
Kreetassans	2152	Interstellar space 	Enterprise NX-01 	 	
Mazarites 	2152	Mazar 	Enterprise NX-01 	 	
Risians 	2152	Risa 	Enterprise NX-01 	 	
Paraagans 	2152	Paraagan II 	Enterprise NX-01 	 	Paraagan II was destroyed shortly after contact
Romulans 	2152	Romulan minefield 	Enterprise NX-01 	 	No visual contact wwith the Romulans was made until 2266
Retellians 	2152	Interstellar space 	Charles Tucker III 	 	
Kriosians 	2152	On board a Retellian freighter 	Charles Tucker III 	 	
Arkonians 	2152	Arkonian space 	Charles Tucker III 	 	
Tholians 	2152	Presumably near Tholian space 	Enterprise NX-01 	 	No visual contact was made by either group
Enolians 	2152	Keto-Enol 	Enterprise NX-01 	 	
Antarans 	2153	 	Enterprise NX-01 	 	
Vissians 	2153	Interstellar space 	Enterprise NX-01 	 	
Tellarites 	2153	Unnamed planet 	Enterprise NX-01 	 	
Xindi 	2153	Xanthan planet 	Enterprise NX-01 	 	
=== Federation (22nd century) ===
Race 	Year	Location 	Who	Source	Notes
s 	2167	Beta III 	 	 	Ship destroyed during first contact; contact was then lost until 2267
Iotians	2168	Sigma Iotia II	 	 	Civilization was pre-warp at time of first contact; contact was then lost until 2268
=== Federation (23rd century) ===
Race 	Year 	Location 	Who 	Source	Notes
Eminians 	2217 	Eminiar VII 	 	 	Ship destroyed during first contact; contact was then lost until 2267
Ba'ul 	2239 	Kaminar 	 	 	The Ba'ul receives Starfleet's assurance that they would not interfere with Ba'ul's internal affairs.
Talosians 	2254 	Talos IV 	Captain Christopher Pike 	 	Shortly thereafter, all contact with the species was prohibited in General Order 7 ()
 	2256 	 	 	 	
Pahvans 	2256 	Pahvo 	Lieutenant , Michael Burnham, Commander Saru	 	
jahSepp 	2257 	 	Sylvia Tilly 	 	
 	2259 	Near Persephone III 	Christopher Pike 	 	
Kerkhovian 	2259 	Near Kerkhovian moon 	Christopher Pike 	 	
First Federation 	2266 	Border of First Federation space 	Captain James T. Kirk 	 	
M-113 creature 	2266 	M-113 	Captain James T. Kirk 	 	At the time of first contact virtually extinct
Thasians 	2266 	Outer space; between Thasus and Colony Alpha 5 	Captain James T. Kirk 	 	The infant Charles Evans contacted the Thasians fourteen years prior
Onlies 	2266 	 	Captain James T. Kirk 	 	
Taurus II anthropoids 	2267 	Taurus II 	Spock 	 	
Keeper 	2267 	Shore Leave Planet 	Doctor Leonard McCoy 	 	
Trelane's species 	2267 	Gothos 	Captain James T. Kirk 	 	
Gorn 	2267 	Cestus III 	Captain James T. Kirk 	 	
Metrons 	2267 	Metron space 	Captain James T. Kirk 	 	At the same time as first contact with the Gorn
s 	2267 	Beta III 	Captain James T. Kirk 	 	A failed attempt at first contact was made one hundred years earlier by the
Eminian Union 	2267 	Eminiar VII 	Captain James T. Kirk 	 	
Vendikar 	2267 	Eminiar VII 	Captain James T. Kirk 	 	Roughly at the same time as the Eminian Union
Horta 	2267 	Janus VI 	Captain James T. Kirk 	 	First silicon-based lifeform encountered by the Federation
Organians 	2267 	Organia 	Captain James T. Kirk and Spock 	 	
Guardian of Forever 	2267 	Time planet 	Doctor Leonard McCoy 	 	
flying parasites 	2267 	Deneva 	Captain James T. Kirk 	 	Previously encountered by colonists of Ingraham B and Deneva
Ornithoids 	2267 	Pyris VII 	Captain James T. Kirk 	 	Two members of this species from outside the galaxy claim to be agents for the the relation of which to the species is unknown
Companion 	2267 	Gamma Canaris region 	Captain James T. Kirk 	 	Previously encountered by Zefram Cochrane in 2119
Greek Gods 	2267 	Pollux IV 	Captain James T. Kirk 	 	Made contact with Earth around 2700 BC, but their alien nature was not understood by the primitive Humans
Redjac 	2267 	Argelius II 	Captain James T. Kirk 	 	Previously encountered by Humans in the past, who were not aware of the creature's alien nature
Vaalians 	2267 	Gamma Trianguli VI 	Captain James T. Kirk 	 	
2268 	Enderprizians 	Planet 0042692 	Ensign David Garrovick 	 	Pre-warp at the time of first contact. Supposed to be a covert operation to deal with an impending disaster, but Garrovick was injured and became stranded
2268 	892-IV natives 	892-IV 	Captain James T. Kirk 	 	Previously encountered by Captain R.M. Merik in 2262
2268 	Providers 	Triskelion 	Captain James T. Kirk 	 	
2268 	Kelvans 	Kelvan colony planet located near galactic barrier	Captain James T. Kirk 	 	Possibly the first Andromeda Galaxy civilization ever encountered
2268 	Sargon's race 	Arret 	Captain James T. Kirk 	 	At the time of first contact virtually extinct
2268 	Kohms and Yangs 	Omega IV 	Captain Ronald Tracey 	 	
2268 	Melkotians 	Melkotian planet 	Captain James T. Kirk 	 	
2268 	Gorgan 	Triacus 	Captain James T. Kirk 	 	At the time of first contact virtually extinct. Previously encountered by the Starnes Exploration Party
2268 	Morgs and Eymorgs	Sigma Draconis VI 	Captain James T. Kirk 	 	
2268 	Gem's species 	Minara II 	Captain James T. Kirk 	 	
2268 	Vians 	Minara II 	Captain James T. Kirk 	 	At the same time as first contact with the Gem's species
2268 	Fabrini 	Yonada 	Captain James T. Kirk 	 	Fabrini were previously thought to have become extinct when their sun went nova 10,000 years prior
2268 	Beta XII-A entity	Beta XII-A 	Captain James T. Kirk 	 	
2268 	Platonians 	Platonius 	Captain James T. Kirk 	 	Made contact with Earth around 400 BC, but their alien nature was not discovered
2268 	Scalosians 	Scalos 	Captain James T. Kirk 	 	
2268 	Kalandans 	Kalandan outpost 	Captain James T. Kirk 	 	At the time of first contact virtually extinct
2268 	Cheron natives 	space near Ariannus 	Captain James T. Kirk 	 	At the time of first contact virtually extinct, except two individuals
Zetarians 	2269 	space near Memory Alpha 	Captain James T. Kirk 	 	At the time of first contact virtually extinct
Excalbians 	2269 	Excalbia 	Captain James T. Kirk 	 	
Sarpeidon natives 	2269 	Sarpeidon Past 	Captain James T. Kirk 	 	At the time of first contact all Sarpeidons had emigrated to the past, and may thus be considered extinct from a 23rd century perspective
Phylosians 	2269 	Phylos 	Captain James T. Kirk 	 	
Magnetic organism 	2269 	near Questar M-17 	Captain James T. Kirk 	 	
Theela's species 	2269 	The second planet of the Taurean system 	Captain James T. Kirk 	 	
Cosmic cloud 	2269 	space near Mantilles 	Captain James T. Kirk 	 	
Megans 	2269 	Megas-Tu 	Captain James T. Kirk 	 	Made contact with Earth around the 17th century, but their alien nature was not understood by Humans
Aquans 	2269 	 	Captain James T. Kirk 	 	
Lactrans 	2269 	Lactra VII 	Lieutenant Commander Tom Markel 	 	
Delta Theta III aborigines	2270 	Delta Theta III 	Captain James T. Kirk 	 	
Delta Theta III entity 	2270 	Delta Theta III 	Captain James T. Kirk 	 	At the same time as first contact with the Delta Theta III aborigines
Kukulkan's species 	2270 	space near the Sol system 	Captain James T. Kirk 	 	Made contact with Earth in the past, but their alien nature was not understood by the primitive Humans
Arret natives 	2270 	 	Captain James T. Kirk 	 	
Whale Probe 	2286 	Sol system 	 	 	Made contact with other Earth creatures in the past (notably the Humpback whales)
 	2287 	 	Captain James T. Kirk 	 	
=== Federation (24th century) ===
Race 	Year	Location 	Who 	Source	Notes
 	2364	Near Deneb IV 	 	 	
Ferengi 	2364	Outpost 63, Delphi Ardu system 	 	 	Prior to "official" first contact, the species was already known to the Federation through rumors
Beta Renner cloud 	2364	Interstellar space between Parliament and Antica 	 	 	
Edo 	2364	Rubicun III 	 	 	
Edo God 	2364	Rubicun III 	 	 	
Microbrain 	2364	Velara III 	 	 	The Microbrain entity decided not to engage in relations with the Federation for the next three centuries
Aldeans 	2364	Aldea 	 	 	This species was previously thought to be legendary
Armus 	2364	Vagra II 	 	 	
Parasitic beings 	2364	Dytallix B 	Captains Tryla Scott and Jean-Luc Picard and Commander William T. Riker	 	These hostile creatures had apparently been aware of the Federation for some time, but chose not to reveal themselves and rather infiltrate Starfleet
Ian Troi entity 	2365	Interstellar space 	USS Enterprise-D 	 	
Nagilum 	2365	hole in space 	USS Enterprise-D 	 	
Dremans 	2365	Drema IV 	Lieutenant Commander Data 	 	
Borg 	2365	System J-25 	USS Enterprise-D 	 	
Husnocks 	2366	Rana IV 	Rana IV colonists 	 	The entire species became extinct soon after contact
Douwd 	2366	Rana IV 	USS Enterprise-D 	 	Members of this species have lived among Humans previously, with their alien nature unknown to them
Mintakans 	2366	Mintaka III 	USS Enterprise-D 	 	A pre-warp civilization, first contact was made accidentally and it can be assumed that no further contacts will be maintained after the 2366 incident
s 	2366	Koinonian homeworld 	USS Enterprise-D 	 	
Unnamed humanoid species 	2366	Lonka Cluster 	USS Enterprise-D 	 	
Gomtuu's species 	2366	Beta Stromgren system 	Tam Elbrun 	 	
Zalkonians 	2366	Interstellar space 	USS Enterprise-D 	 	
Barash's species 	2367	Alpha Onias III 	Commander William T. Riker 	 	
Two-dimensional beings 	2367	Interstellar space 	USS Enterprise-D 	 	
's species 	2367	Ventax II 	USS Enterprise-D 	 	
Paxans 	2367	Ngame Nebula 	USS Enterprise-D 	 	All memories and records of the contact were erased
Malcorians 	2367	Malcor III 	Commander William T. Riker 	 	First contact was accidentally made days before they were to initiate their first warp drive; subsequently, the Malcorian government decided to postpone the warp tests and focus on domestic issues first, keeping the public in the dark about the existence of aliens
 	2367	Alpha Omicron system 	USS Enterprise-D 	 	
Tyken's Rift being 	2367	Tyken's Rift 	USS Enterprise-D 	 	
Tarchanne 	2367	Tarchannen III 	USS Enterprise-D 	 	Previously encountered by the in 2362; the species consists of other humanoids infected with a parasite, transforming their DNA
Cytherians 	2367	Galactic core 	USS Enterprise-D 	 	
Lysians 	2368	Lysian system 	USS Enterprise-D 	 	
Satarrans 	2368	Lysian system 	USS Enterprise-D 	 	
Ux-Mal 	2368	Mab-Bu VI 	USS Enterprise-D 	 	
FGC-47 lifeforms 	2368	FGC-47 	USS Enterprise-D 	 	
Kataan natives 	2368	Parvenium system 	Captain Jean-Luc Picard 	 	The species was virtually extinct at time of first contact
Devidians 	2368	Devidia II 	USS Enterprise-D 	 	Previously encountered by Humans in the 19th century who didn't understand their alien nature
Solanogen-based lifeforms 	2369	Amargosa Diaspora 	USS Enterprise-D 	 	
Prophets 	2369	Bajoran wormhole 	Commander Benjamin Sisko 	 	
Coalescent organism 	2369	Relay Station 47 	USS Enterprise-D 	 	
 	2369	Deep Space 9 	Chief Miles O'Brien 	 	First contact with a Gamma Quadrant species
Hunters 	2369	Deep Space 9 	Deep Space 9 crew 	 	
Wadi 	2369	Unknown Gamma Quadrant location 	Vulcan exploratory mission 	 	First "proper" contact with a Gamma Quadrant species
Nol-Ennis 	2369	Unnamed Gamma Quadrant moon 	 	 	
Ennis 	2369	Unnamed Gamma Quadrant moon 	 	 	
Progenitors 	2369	Vilmor II 	Captain Jean-Luc Picard and Doctor Beverly Crusher 	 	Species virtually extinct at time of contact
Unnamed non-corporeal Gamma Quadrant species	2369	Deep Space 9 	Deep Space 9 crew 	 	
Quantum singularity lifeforms 	2369	Interstellar space, supposedly near Romulan space	USS Enterprise-D 	 	
Rakhari 	2369	unknown 	unknown 	 	
Skrreea 	2370	Deep Space 9 	Deep space 9 crew 	 	
Boraalans 	2370	USS Enterprise-D 	Nikolai Rozhenko 	 	A pre-warp civilization, contact was made when a Federation observer purposely made first contact in direct violation of the Prime Directive in order to save them from extinction
Anaphasic lifeform 	2370	Caldos colony 	USS Enterprise-D 	 	Previously living among Humans for centuries, who didn't understand it's alien nature
Parada 	2370	Unknown, likely Gamma Quadrant 	Deep Space 9 crew 	 	
Barkonians 	2370	Barkon IV 	Lieutenant Commander Data 	 	
D'Arsay 	2370	Sector 1156 	USS Enterprise-D 	 	Species virtually extinct at time of contact
Yaderans 	2370	Unnamed Yaderan colony 	Odo and Lieutenant Jadzia Dax 	 	
Dominion 	2370	Unnamed Gamma Quadrant planet 	Commander Benjamin Sisko 	 	The Federation had encountered one Changeling, Odo, before this time
Seltin Rakal's species 	2371	Meridian 	(NX-74205) 	 	
Argrathi 	2372	Argratha 	USS Defiant (NX-74205) 	 	
Onaya's species 	2372	Deep Space 9 	Jake Sisko 	 	Previously encountered by Humans who didn't understand the species' alien nature
Teplans 	2372	Teplan homeworld 	USS Defiant (NX-74205) 	 	
Pah-wraiths 	2373	Deep Space 9 	Chief Miles O'Brien 	 	
Ba'ku 	2375	Ba'ku planet 	Lieutenant Commander Data 	 	
Galardonians 	2379	Galar system 	 	 	
Lapeerians 	2381	Laap system 	 	 	The was initially dispatched to make first contact but was damaged en route to Lapeeria.
Cymari 	2383	Cymari homeworld 	 	 	The Protostar was crewed by a group of young aliens who were tricked into making first contact by DaiMon Nandi. Their actions broke the Prime Directive and left the Cymari with a bad first impression of interstellar visitors for the future.
=== Federation (Delta Quadrant species encountered during 24th century) ===
Race 	Year 	Location 	Who 	Source 	Notes
Nacene 	2371 	Ocampa System 	 	 	
Krowtonan Guard 	2371 	Delta Quadrant space near Ocampa 	 	 	
Talaxians 	2371 	Ocampa System 	 	 	
Ocampa 	2371 	 	USS Voyager 	 	
Kazon 	2371 	 	USS Voyager 	 	
Vidiians 	2371 	Unnamed rogue planetoid 	USS Voyager 	 	
Banea 	2371 	 	USS Voyager 	 	
Vhnori 	2371 	Vhnori homeworld 	USS Voyager 	 	
Sikarians 	2371 	Sikaris 	USS Voyager 	 	
Photonic lifeform 	2371 	Near a protostar 	USS Voyager 	 	
Komar 	2371 	Unnamed Delta Quadrant dark matter nebula 	USS Voyager 	 	
Haakonians 	2371 	Interstellar space 	USS Voyager 	 	
Reptohumanoids 	2372 	Planet Hell 	USS Voyager 	 	
Botha 	2372 	Botha space 	USS Voyager 	 	
Sky Spirits 	2372 	Sky Spirits' homeworld 	USS Voyager 	 	The species visited Earth approximately 45,000 years ago, but their alien nature was not understood by primitive Humans
Augris' species 	2372 	Mokra-controlled planet 	USS Voyager 	 	
Automated Personnel Units 	2372 	Delta Quadrant 	USS Voyager 	 	
Drayans 	2372 	Drayan II 	USS Voyager 	 	
Viorsa's species 	2372 	Kohl settlement 	USS Voyager 	 	This species is likely virtually extinct
Nechani 	2373 	Nechani homeworld 	USS Voyager 	 	
Akritirians 	2373 	Akritiri 	USS Voyager 	 	
Enarans 	2373 	Fima colony 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
The Swarm 	2373 	Delta Quadrant, near Swarm-controlled space 	USS Voyager 	 	
Mislenites 	2373 	Delta Quadrant, near Swarm-controlled space 	USS Voyager 	VOY: "The Swarm"	Unofficial first contact as the only member encountered, Chardis, eventually died while being treated in sickbay
Ilari 	2373 	Interstellar space 	USS Voyager 	 	
Garan 	2373 	Garan mining colony, near Tak Tak space 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Tak Tak 	2373 	Delta Quadrant 	USS Voyager 	 	
Marayna's species 	2373 	Inversion nebula 	USS Voyager 	 	
Kolaati 	2373 	Nekrit Expanse 	USS Voyager 	 	
 	2373 	Unnamed planet 	Captain Kathryn Janeway 	 	
Nezu 	2373 	Unnamed Nezu Colony 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Etanian 	2373 	space near Unnamed Nezu Colony 	USS Voyager 	 	
Mikhal Travelers 	2373 	Unnamed Mikhal Traveler outpost 	USS Voyager 	 	
Taresians 	2373 	Taresia 	USS Voyager 	 	
Nasari 	2373 	Nasari space, near the Taresia system 	USS Voyager 	 	
Voth 	2373 	Delta Quadrant, Voth city ship 	USS Voyager 	 	It is quite possible that the Voth authorities covered this contact up
Nyrians 	2373 	Delta Quadrant 	USS Voyager 	 	
Jarlath's species 	2373 	Nyrian biosphere vessel 	USS Voyager 	 	
Species 8472 	2373 	Northwest Passage 	USS Voyager 	 	
Vori 	2374 	Delta Quadrant planet 	USS Voyager 	 	
Kradin 	2374 	Delta Quadrant planet 	USS Voyager 	 	
Caatati 	2374 	Interstellar space 	USS Voyager 	 	The entire species, except for 27 ships, was assimilated by the Borg at the time of contact
Serosians 	2374 	Interstellar space 	USS Voyager 	 	
B'omar 	2374 	Edge of B'omar space 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Srivani 	2374 	Delta Quadrant 	USS Voyager 	 	
Krenim 	2374 	Krenim Imperium space 	USS Voyager 	 	
Zahl 	2374 	Zahl space 	USS Voyager 	 	
Mari 	2374 	Mari homeworld 	USS Voyager 	 	
Unnamed humanoid species 	2374 	Delta Quadrant 	USS Voyager 	 	
Tau's species 	2374 	Delta Quadrant 	USS Voyager 	 	
Dream Aliens 	2374 	Dream species planet 	USS Voyager 	 	
Hirogen 	2374 	Transmission from a Hirogen communications network relay station	USS Voyager 	 	
Entharans 	2374 	Delta Quadrant 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
 	2374 	Interstellar space 	USS Voyager 	 	
Daelen's species 	2374 	Interstellar space 	USS Voyager 	 	
Steth's species 	2374 	Interstellar space 	USS Voyager 	 	
Allos' species 	2374 	M-class moon 	USS Voyager 	 	
Ramurans 	2374 	Delta Quadrant 	USS Voyager 	 	Though this species tried hard to hide all evidence of their existence, record of them exists in Chakotay's written testimonial
Kyrians 	2374 	Delta Quadrant 	USS Voyager 	 	Date might be wrong, as every other aspect of the encounter was severely distorted by said Kyrian historians, though it was certainly between 2371 and 2378
Vaskans 	2374 	Delta Quadrant 	USS Voyager 	 	Date might be wrong, as every other aspect of the encounter was severely distorted by said Kyrian historians, though it was certainly between 2371 and 2378
Biomimetic species 	2374 	Class Y planet 	USS Voyager 	 	
Species 116 	2374 	Unnamed trading colony 	USS Voyager 	 	At the time of first contact the species was almost virtually extinct due to Borg assimilation
Malons 	2375 	 	USS Voyager 	 	
Night Aliens 	2375 	The Void 	USS Voyager 	 	
Unnamed cytoplasmic lifeform	2375 	Delta Quadrant 	USS Voyager 	 	
Moneans 	2375 	The Waters 	USS Voyager 	 	
Species 6339 	2375 	Grid 124, Octant 22-theta 	USS Voyager 	 	At the time of first contact the species was almost virtually extinct due to Borg assimilation
Brenari 	2375 	Border of the Devore Imperium 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Devore 	2375 	Border of the Devore Imperium 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Noss' species 	2375 	Unnamed planet 	USS Voyager 	 	
Photonic lifeforms 	2375 	Border of the Devore Imperium 	USS Voyager 	 	
Chaotic space aliens 	2375 	Chaotic space 	USS Voyager 	 	
Qatai's species 	2375 	Delta Quadrant 	USS Voyager 	 	
Telepathic pitcher plant 	2375 	Delta Quadrant 	USS Voyager 	 	
Varro 	2375 	Delta Quadrant 	USS Voyager 	 	
Hazari 	2375 	Delta Quadrant 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Kadi 	2375 	Kadi homeworld 	USS Voyager 	 	
Hierarchy 	2376 	Delta Quadrant 	USS Voyager 	 	
Turei 	2376 	Underspace 	USS Voyager 	 	
Vaadwaur 	2376 	Vaadwaur homeworld 	USS Voyager 	 	
Ba'Neth 	2376 	Delta Quadrant 	USS Voyager 	 	
Kesat 	2376 	Delta Quadrant 	USS Voyager 	 	
Norcadians 	2376 	Norcadia Prime 	USS Voyager 	 	
Pendari 	2376 	Norcadia Prime 	USS Voyager 	 	
Kelemane's species 	2376 	Kelemane's planet orbit 	USS Voyager 	 	This species was not yet warp-capable when they made contact with Voyager, though it is conceivable they were by the time Voyager left
Qomar 	2376 	Delta Quadrant 	USS Voyager 	 	
Wysanti 	2376 	Delta Quadrant 	USS Voyager 	 	
Nakan 	2376 	Tarakis 	USS Voyager 	 	
Nakan 	2376 	Tarakis 	USS Voyager 	 	The species was virtually extinct at time of contact
Kobali 	2376 	Delta Quadrant 	USS Voyager 	 	
Brunali 	2376 	Brunali homeworld 	USS Voyager 	 	Voyager encountered a Brunali before reaching their home planet, though this is not considered first contact as the individual was a child, not able to represent its species ()
Telsians 	2376 	Telsius Prime 	USS Voyager 	 	
Kelis' species 	2376 	Kelis' homeworld 	Lieutenant B'Elanna Torres	 	
s 	2377 	Delta Quadrant 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Aksani 	2377 	Delta Quadrant 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Chessu 	2377 	Delta Quadrant 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Imhotep 	2377 	Delta Quadrant 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Lokirrim 	2377 	Delta Quadrant 	USS Voyager 	 	
Kraylor 	2377 	Delta Quadrant 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Annari 	2377 	Delta Quadrant 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Nygeans 	2377 	Delta Quadrant 	USS Voyager 	 	
Benkarans 	2377 	Delta Quadrant 	USS Voyager 	 	
Fantome's species 	2377 	 	USS Voyager 	 	
Nar Shaddan 	2377 	Delta Quadrant 	USS Voyager 	 	
 	2377 	Quarra 	USS Voyager 	 	
Norvalens 	2377 	Delta Quadrant, most likely Quarra 	USS Voyager 	 	Most likely first contact at that time since Voyager reached their region then
Otrin's species 	ca. 2248 / 2378	Otrin's homeworld 	USS Voyager 	 	Pre-warp at the time of first contact
Ledosians 	2378 	Ledos 	USS Voyager 	 	
Ventu 	2378 	Ledos 	Chakotay, Seven of Nine 	 	
Vau N'Akat 	2385 	Solum 	 	 	In an alternate timeline, first contact was made by a starship at a later date, leading to a devastating civil war.
=== Other species ===
Race 1 	Race 2 	Year	Location 	Who 	Source	Notes
Vulcans 	Klingons 	2016	H'atoria system 	Unknown 	 	Resulted in the destruction of a Vulcan starship at the hands of the Klingons. Vulcan ships met all subsequent encounters with a show of force to ward off any more attacks
Klingons 	Organians 	2267	Organia 	Kor 	 	At exactly the same time as Federation-Organian first contact; at least one Klingon cruiser had unknowingly made contact with Organians some years before 2154 ()
Gem's species	Vians 	2268	Minara II 	 	 	
Ferengi 	Stakoron 	2369	unknown 	unknown 	 	
Ferengi 	Dominion 	2370	Unknown 	Quark and	 	First contact was made through the Karemma; though the Federation also made contact with the Dominion in 2370, the Ferengi were the first Alpha Quadrant species to make contact
Borg 	Species 6339	2371	Unknown, presumably Delta Quadrant	Unknown 	 	
== Species where approximate first contact dates are known ==
=== Humans ===
Race 	Approximate year 	Location	Who 	Source 	Notes
Kzin 	Shortly after 2067 	Unknown 	Unknown	 	Four wars were fought "two hundred years" before 2269. This might have been an approximation, but it does suggest they took place very shortly after Earth achieved Warp. It might also have been after 2067, as established that Humans still "had no idea" of what threats lay in space in that year.
Draylaxians 	Between 2063 and 2126 	Unknown 	Unknown	 	Based on Travis Mayweather's birthdate, he was born on the Draylax/Vega run
Trillius Prime inhabitants 	Between 2063 and the 2130s	Unknown 	Unknown	 	Travis Mayweather visited the planet in sixth grade (he was born in 2126)
Denobulans 	Between 2063 and the 2130s	Unknown 	Unknown	 	Based on the earliest known operating date of Cold Station 12, and corroborated by estimates of when Nathan Samuels was 18
Teneebian moons inhabitants	Between 2063 and 2140s 	Unknown 	Unknown	ENT: "Broken Bow"	Travis Mayweather visited these before he started his Starfleet training
Orions 	Between 2063 and 2152 	Unknown 	Unknown	 	However, Arik Soong, a rogue Human, seems to have had contact with Orions at least in the 2140s
Demerians 	Between 2063 and 2152 	Unknown 	Unknown	ENT: "Horizon" 	
Neubilia Prime inhabitants 	Between 2063 and 2153 	Unknown 	Unknown	 	Before Captain Mayweather's death in late 2152
=== Denobulans ===
Race 	approximate Year 	Location	Who 	Source	Notes
B'Saari 	Before the 19th century	Unknown 	Unknown	 	First Denobulan first contact, therefore before first contact between Denobulans and Antarans
Antarans	Before the 19th century	Unknown 	Unknown	 	Based on the end date of their last war
Bynar 	Before 2151 	Unknown 	Unknown	 	Given Phlox's statement, it seems likely that he encountered the Bynar before he joined Enterprise; even if that assumption is false, the latest possible date is 2153, the year the episode played out
=== Vulcans ===
Race 	Approximate year 	Location	Who 	Source 	Notes
Tellarites 	At the latest 1957	Unknown 	Unknown	 	
Andorians 	Early 20th century	Unknown 	Unknown	 	
Arkonians 	ca. 2050s 	Unknown 	Unknown	 	"nearly one hundred years" before 2152
Tholians 	Before 2152 	Unknown 	Unknown	 	
Cardassians	Before 2240s 	Unknown 	Unknown	 	Based on Iloja of Prim living on Vulcan, somewhere between Dax's birth in 2018 and when Dax joined Emony Dax. Cardassian voles were present on the Starfleet ship in 2256, although it also had a Gorn even though official first contact was not yet made.
Trill 	Before 2240s 	Unknown 	Unknown	DS9: "Trials and Tribble-ations"	Based on Emony Dax meeting a young Leonard McCoy
=== Federation ===
Race 	Approximate year 	Location 	Who 	Source 	Notes
Betazoids 	Before May 2256 	Unknown 	Unknown 	DIS: 	Mentioned in the context of Harry Mudd supposedly having robbed a Betazoid bank prior to being imprisoned during the . In the alternate timeline, Betazoids were first mentioned in 2255.
Tamarians 	2260s 	Unknown 	Unknown, possible Captain A. Silvestri	 	The Federation had encountered the Tamarians seven times in the hundred years before 2368, but formal relations were only established in that year due to vast differences in their methods of communication
Ktarians 	Before 2284 	Unknown 	Unknown 	 	Based on the mention of Ktarian eggs in that year
Yridians 	24th century, before 2367	Unknown 	Captain Rudolph Ransom 	 	Yridians were thought to be extinct, though it is unknown for how long, as the 22nd century Vulcan database had info helpful in contacting them. () First contact occurred between Ransom's graduating from Starfleet Academy and his promotion to captain, which was in 2367 at the latest, based on knowledge of his encounter with a Klingon Bird-of-Prey in that year. Assuming that Branson's age in 2375 was 50, like John Savage, first contact was probably at most thirty years before 2367
Dosi 	2369 or 2370 	Unknown 	Unknown 	 	The discovery of the Bajoran wormhole presumably provides an earliest possible date
Karemma 	between 2369 and 2371 	Unknown 	Unknown 	DS9: "Hard Time"	The discovery of the Bajoran wormhole presumably provides an earliest possible date
Argrathi 	between 2369 and 2372 	Unknown 	Unknown 	DS9: "Hard Time"	The discovery of the Bajoran wormhole presumably provides an earliest possible date
Ankari 	Between 2371 and 2375 	Delta Quadrant	USS Equinox 	VOY: "Equinox" 	It is not entirely clear when the Equinox encountered this species
Nucleogenic lifeforms	Between 2371 and 2375 	Delta Quadrant	USS Equinox 	VOY: "Equinox" 	Contact was made at the same time as contact with the Ankari
Ponea 	Between 2371 and 2375 	Delta Quadrant	USS Equinox 	VOY: "Equinox" 	
Vau N'Akat 	circa 2434 	Delta Quadrant	 	 	According to The Diviner, The Federation will make first contact in 50 years after the Protostar's discovery.
Vojeans 	Before 2377 	Delta Quadrant	USS Voyager 	 	Voyager moved trough their region of space several months before the events of "Q2"
Wyngari 	Before 2377 	Delta Quadrant	USS Voyager 	VOY: "Q2" 	Voyager moved trough their region of space several months before the events of "Q2"
=== Borg ===
Race 	approximate Year 	Location	Who 	Source 	Notes
Species 116 	Before ca. 2174 	Unknown 	Unknown	 	Based on Arturis' statement in 2374 that his species managed to outwit the Borg for "centuries"
Vaadwaur 	Before the 15th century 	Unknown 	Unknown	VOY: "Hope and Fear" 	
Species 262 	Probably the 22nd century	Unknown 	Unknown	 	Based on date of first assimilation
Species 263 	Probably the 22nd century	Unknown 	Unknown	VOY: "The Omega Directive"	Designation suggests first contact shortly after Species 262
Ktarians 	Before 2350s 	Unknown 	Unknown	 	
Species 571 	Before 2368 	Unknown 	Unknown	 	Designation suggests first contact shortly after Species 263
Species 8472	Circa 2373 	Unknown 	Unknown	 	
=== Other species ===
Race 1 	Race 2 	Year 	Location 	Who 	Source	Notes
Klingons 	Hur'q 	14th century 	Unknown 	Unknown 	 	A thousand year before 2372
Coridanites	Orions 	"centuries" before 2155 	Unknown 	Unknown 	 	
Bajorans 	Cardassians 	Between 16th and 22nd century	Unknown 	Unknown 	 	Official first contact supposedly happened after the forgotten first contact by lightships, and before Akorem Laan disappeared in the Bajoran year 9174 (as he was familiar with Cardassians)
Xindi 	Sphere-Builders	2030s or shortly thereafter 	Unknown 	Unknown 	 	The Sphere-Builders contacted the Xindi to help them in their Great Diaspora, which started after the destruction of Xindus in the 2030s
Valakians 	M'klexa 	Before 2151 	Valakis 	Unknown 	 	It is possible that the Menk made contact with the M'klexa at the same time
Valakians 	Ferengi 	Before 2151 	Valakis 	Unknown 	 	It is possible that the Menk made contact with the Ferengi at the same time
Ferengi 	Hupyrians 	Probably before 2151 	Unknown 	Unknown 	 	Based on a mention of Hupyrian beetle snuff
Klingons 	Ventaxians 	2297 	Ventax II 	Unknown 	 	
Bajorans 	Changelings 	mid-24th century 	Denorios belt	Odo, Mora Pol	 	Other Changelings, and their association with the Dominion, remained unknown until 2371
== Unofficial first contacts ==
Often species have made contact much earlier than their official first contact dates, in events that become lost in history, are not reported, or whose full significance is not realized at the time.
=== Human and Federation ===
Race 	Year 	Location 	Who 	Source 	Notes
Sky Spirits 	Several times, starting 45,000 years ago 	Earth, America 	Native Americans 	 	This species engaged in genetically engineering the group of people that would become come to inhabit North and South America. They reached Earth from their Delta Quadrant homeworld in generation ships. It was not explicitly stated when they last visited Earth, but their description of the circumstances suggests it to be somewhere after the conquest of the Americas by Europeans.
Kukulkan's species 	Time of the Egyptian, Mayan, Aztec, and Chinese civilizations	Earth 	Humans from around the world 	 	Kukulkan was the last of his kind, he was mistaken for a god by the Earth natives and taught them technology and architecture; the true nature of this entity was discovered in 2270 by the crew of the
Greek gods 	Around 2700 BC 	Mediterranean region of Earth 	Inhabitants of ancient Greece 	 	This race was thought mythical until encountered by the USS Enterprise (NCC-1701) in 2267
Gary Seven's benefactors 	4000 BC and later through Human agents 	Earth 	Unknown 	 	This race kidnapped Humans from Earth so that their ancestors could work as their agents
Platonians 	400 BC 	Earth 	Inhabitants of Ancient Greece 	 	
Onaya's species 	100 BC, 1821 	Earth 	Catullus, John Keats 	 	
Unknown anaphasic lifeform species	from 1647 on 	Glasgow 	Jessel Howard and her female descendants 	 	
Q 	1666, 1864, 1969 	England, United States of America 	Isaac Newton, Thaddius Riker, Maury Ginsberg 	 	
Preservers 	18th century 	North America, Earth 	Native Americans 	 	They transplanted a group of Native Americans to Amerind
Skagarans 	19th century 	United States of America, Earth 	Humans 	 	They transplanted a group of several thousand Humans to one of their colonies to work as slaves; their descendants suggest they used mainly Americans of European descent
Redjac 	1888 - 1891, 1932, 1974 	London, Shanghai, and Kiev 	Humans 	 	The true nature of this entity was discovered in 2267 by the crew of the Enterprise
El-Aurians 	Around 1893 	San Francisco, Earth 	Humans 	 	Guinan resided on Earth for a time, posing as a Human
Devidians 	19th century 	San Francisco 	Humans 	 	Devidians preyed on Humans in this era, though they seem to have gone completely undetected due to them existing slightly out of phase; Devidian-caused deaths were usually attributed to disease instead
Briori 	1937 	Earth 	Three hundred Human inductees 	 	
Ferengi 	1947 	Roswell, New Mexico 	Unnamed Air Force officials 	 	US military apparently covered this up. The Ferengi were not 20th century Ferengi but rather time-traveling 24th century Ferengi. Other unidentified first contacts were made with the Ferengi in 2151 and 2355. (; )
Vulcans 	1930, 1957, 1968, 1969, 1986, 1996, 2004 	New York City, Carbon Creek, Pennsylvania, Earth orbit, San Francisco, Los Angeles, Detroit, Earth	Residents of New York (especially Edith Keeler), several inhabitants of Carbon Creek, John Christopher, a US Air Force Police sergeant, Roberta Lincoln, several Cetacean Institute visitors and Dr. Gillian Taylor, Rain Robinson,	; ; ; ; ;	According to Vulcan T'Pol, one of her ancestors and two colleagues were stranded on Earth when their ship crashed while observing Sputnik. Since Earth was a pre-warp civilization at the time, the Vulcans hid their alien nature from the locals while waiting for rescue.
Of these myriad contacts, only Christopher and the seargent (whose experiences were erased from the timeline), Lincoln, and Taylor (who returned to the 23rd century with the Enterprise crew), were ever made aware of Spock's true "alien" nature.
Borg 	2063 	Earth orbit 	Lily Sloane 	 	Time-traveling Borg from the 24th century tried to interrupt first contact between Humans and Vulcans. Lily Sloane, a 21st century Human, encountered Borg while on the USS Enterprise-E for medical treatment. () Warp drive inventor Zefram Cochrane also seemed well informed on the Borg, though he never had direct contact. A second premature first contact event occurred in 2151, when several dead drones were found in the Arctic Circle and accidentally re-activated.
Klingons 	2369 	Devidia II orbit 	Samuel Clemens 	 	Samuel Clemens encountered a 24th century Klingon while on the Enterprise-D
Organians 	2154 	Unnamed uninhabited planet 	 	 	The Organians erased all memory of their encounter and planned to make official first contact in about 5,000 years; however, they were forced to make first contact little more than a hundred years later, in 2267, in order to stop the
Kelpien 	2239 	Kaminar 	Lieutenant Philippa Georgiou 	 	Starfleet granted permission for Georgiou to take Saru knowing he could not return.
Paxans 	2367 	Planet in the Ngame Nebula 	USS Enterprise-D 	 	Due to the extremely xenophobic nature of this species, the crew of the Enterprise-D agreed to erase all their memories and all records of their encounter.
Vau N'Akat 	2384, 2385 	Crews of the and the 	Solum 	, 	Unofficial first contact between the Vau N'Akat and members of the Federation was in 2384 and 2385. In the first instance, the crew of the Infinity -- a Human Augment hybrid, a Medusan, a Tellarite, and a Vulcan -- met the Vau N'Akat Ilthuran while rescuing Gwyndala from a failed first contact mission to the planet on behalf of the Federation. Before this, the Vau N'Akat had no outside contact with any other species. Later, most of the same group rescued Ilthuran, Kathon, and Borom, the latter two being the planet's overthrown leaders, from captivity. The rescue of Ilthuran and his meeting the Federation helped Ilthuran argue his cause in the Vau N'Akat Civil War. Shortly thereafter the initiated official first contact with the planet.
=== Other species ===
Race 1 	Race 2 	Year 	Location 	Who 	Source	Notes
Cardassians	Bajorans	16th century	Cardassia Prime	Unknown Bajoran lightship pioneers	 	Prior to Benjamin Sisko's recreation of the voyage in 2371, as well as unearthing of new archaeological evidence on Cardassia Prime, Cardassians denied this ancient first contact
Talaxians 	Vaadwaur	1450s 	Unknown 	Unknown 	 	This became legend on Talax
== Alternate timelines ==
=== First contact events where the exact date is known ===
Race 1 	Race 2 	Reality 	Year	Location 	Who 	Source	Notes
Terran Empire	Vulcans 	Mirror universe 	2063	Bozeman, Montana, Earth	Dr. 	 	First contact between Humans and any alien species; similar circumstances to first contact in the main universe
Federation 	Makull's species	Overwritten timeline	2371	M-class planet 	USS Voyager	 	
=== Species where approximate first contact dates are known ===
Race 1 	Race 2 	Reality 	Year 	Location	Who 	Source 	Notes
Federation	Cardassians	Alternate reality 	before 2255	Unknown 	Unknown 	 	Based on the availability of Cardassian sunrises on Earth; as discussed elsewhere on this page, Cardassians had made contact with the Federation in the prime reality at the latest in the 2240s
Federation	Betazoids 	Alternate reality 	before 2255	Unknown 	Unknown 	Star Trek	Based on the availability of Jestral teas on Earth. In the prime reality, Betazoids were first mentioned one year later, in 2256.
Federation	Vau N'Akat 	Alternate timeline	After 2384 	Solum 	starship	 	Led to the Vau N'Akat Civil War. In the current timeline, first contact was made by the in 2385.
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