List of Raid Boss changes in 2021

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The following lists all of the changes to Raid Bosses for s in in reverse chronological order for the year 2021.
==Pokémon GO Holidays: Part 2==
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==Pokémon GO Holidays: Part 1==
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==December 13 - December 16==
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==Dragonspiral Descent==
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==December 1 - December 7==
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==November 21 - December 1==
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===Mischief Unbound Raid Hours===
As part of the Mischief Unbound event at the end of the Season of Mischief, multiple Legendary Pokémon were featured in Raid Hours from November 26, 2021, to November 29, 2021, each Raid Hour going from 6:00 p.m. to 7:00 p.m. local time.
====November 26====
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====November 27====
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====November 28====
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====November 29====
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==Pokémon BD & SP Event Part 2: Pokémon Shining Pearl==
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==Pokémon BD & SP Event Part 1: Pokémon Brilliant Diamond==
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==Festival of Lights==
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==November 1 - November 5==
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==Halloween Mischief Part 2: Ghoulish Pals==
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==Halloween Mischief Part 1: Creepy Companions==
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==October 12 - October 15==
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==Secrets of the Jungle 2021==
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==Fashion Week==
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|-style="background:#ccc"
! colspan=3 | Asia-Pacific
|-style="background:#ccc"
! colspan=3 | Europe, Middle East, and Africa
|-style="background:#ccc"
! colspan=3 | Americas and Greenland
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==September 14 - September 21==
|-style="background:#ccc"
! colspan=3 | Americas
|-style="background:#ccc"
! colspan=3 | Europe and New Zealand
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|-style="background:#ccc"
! colspan=3 | Asia-Pacific
|-style="background:#ccc"
! colspan=3 | Europe, Middle East, and Africa
|-style="background:#ccc"
! colspan=3 | Americas and Greenland
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==Psychic Spectacular==
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==September 1 - September 8==
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==Ultra Unlock Part 3: Sword and Shield==
 was meant to appear in level 3 raids for both weeks of Ultra Unlock Part 3: Sword and Shield at the start of the event, but due to a bug that left Falinks looking distorted during raids, it was removed from the raids. and replaced its spot in level 3 raids for the first and second weeks of the event, respectively.
===Week 2===
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===Week 1===
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==Ultra Unlock Part 2: Space==
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==Ultra Unlock Part 1: Time==
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==GO Fest 2021: Day 2==
On July 18, 2021, as part of Day 2 of Pokémon GO Fest 2021, every available Legendary Pokémon in Pokémon GO appeared worldwide in level 5 raids, each in four different groups. Each group appeared during one of the four themed hours that rotated starting from 10:00 a.m. to 6:00 p.m. local time.
===Wind Hour===
The Wind Hours occurred from 10:00 a.m. to 11:00 a.m. and 2:00 p.m. to 3:00 p.m. local time.
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===Lava Hour===
The Lava Hours occurred from 11:00 a.m. to 12:00 p.m. and 3:00 p.m. to 4:00 p.m. local time.
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===Frost Hour===
The Frost Hours occurred from 12:00 a.m. to 1:00 p.m. and 4:00 p.m. to 5:00 p.m. local time.
|-style="background:#ccc"
! colspan=3 | Asia-Pacific
|-style="background:#ccc"
! colspan=3 | Europe, Middle East, and Africa
|-style="background:#ccc"
! colspan=3 | Americas and Greenland
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===Thunder Hour===
The Lava Hours occurred from 1:00 a.m. to 2:00 p.m. and 5:00 p.m. to 6:00 p.m. local time.
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==GO Fest 2021: Day 1==
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==Pokémon GO 5th Anniversary==
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==July 1 - July 6==
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==Bidoof Day==
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==Bidoof Breakout==
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==June 20 - June 25==
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==Solstice Event 2021==
|-style="background:#ccc"
! colspan=3 | Northern Hemisphere
|-style="background:#ccc"
! colspan=3 | Southern Hemisphere
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|-style="background:#ccc"
! colspan=3 | Northern Hemisphere
|-style="background:#ccc"
! colspan=3 | Southern Hemisphere
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==June 13 - June 17==
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==A Very Slow Discovery==
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==June 1 - June 8==
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==Luminous Legends Y: Part 2==
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===Luminous Legends Y Global Challenge Rewards===
As part of the Luminous Legends Y event, players were given the global challenge to defeat a total of 25,000,000 s, starting from May 15, 2021, at 12:00 a.m. to May 23, 2021, at 11:59 p.m. UTC, with progress being tracked on Twitter. The rewards for completing the challenge were a 3× catch XP multiplier, along with appearing in level 1 raids with a chance of its Shiny variant being found, starting from May 25, 2021, at 10:00 a.m. to May 31, 2021, at 8:00 p.m. local time. Another reward existed for those participating in the May 2021 Special Weekend, the bonus being that all participants would gain a 4× XP multiplier as opposed to 2×. The challenge was announced to have been accomplished on May 20, 2021.Twitter announcement
==Luminous Legends Y: Part 1==
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==Luminous Legends X==
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===Luminous Legends X Global Challenge Rewards===
As part of the Luminous Legends X event, players were given the global challenge to catch a total of 500,000,000 Pokémon, starting from May 1, 2021, at 12:00 a.m. to May 9, 2021, at 11:59 p.m. UTC, with progress being tracked on Twitter. The reward for completing the challenge was a 3× catch XP multiplier, along with the debut of and the Shiny variant of in level 1 raids, starting from May 11, 2021, at 10:00 a.m. to May 17, 2021, at 8:00 p.m. local time. The challenge was announced to have been accomplished on May 7, 2021.Twitter announcement
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==New Pokémon Snap Celebration==
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==April 27 - April 29==
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==April 26 - April 27==
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==Sustainability Week==
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==Rivals' Week==
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==Spring into Spring==
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==March 30 - April 1==
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==Weather Week==
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===Special Raid Weekend===
As part of Pokémon GO's Weather Week, Rayquaza was added to level 5 Raids from March 27, 2021, at 10:00 a.m. to March 28, 2021, at 8:00 p.m. local time.
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==Charge Up==
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==Searching for Legends==
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|-style="background:#ccc"
! colspan=3 | Until March 11
|-style="background:#ccc"
! colspan=3 | Since March 11
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==March 6 - March 9==
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==Kanto Celebration Event==
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===Return of Regional Kanto Pokémon===
As part of Pokémon GO's Kanto Celebration Event, Farfetch'd, Kangaskhan, Mr. Mime, and Tauros were added to raids within their specific regions from February 23, 2021, at 11:00 a.m. PST to March 1, 2021, at 8:00 a.m. local time.Twitter announcement
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==Pokémon GO Tour: Kanto==
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==Valentine's Day Event 2021==
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==Lunar New Year Event 2021==
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==GO Rocket Celebration Event==
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|-style="background:#ccc"
! colspan=3 | Until February 4
|-style="background:#ccc"
! colspan=3 | Since February 4
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==Johto Celebration Event==
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==Hoenn Celebration Event==
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==Sinnoh Celebration Event==
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==Unova Celebration Event==
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==New Year's Event 2021==
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==See also==
==References==
Category:Lists
Category:Pokémon GO
ja:ボスポケモン一覧 (2021年)