Question: The airline alliance joined by Saudia in May 2012 was founded in what month?

Context paragraphs:
Interisland Airlines: Interisland Airlines is an airline headquartered in Ninoy Aquino International Airport in Pasay City, Manila, the Philippines.  A subsidiary of Interisland Resorts & Services, Inc. and It operates domestic scheduled services and passenger and cargo domestic and international charter services.  Its main base is Ninoy Aquino International Airport, Manila.  It was announced that Interisland Resorts & Services, Inc. (the new became Interisland Holdings, Inc.) and the alliance joined TUI Airlines operations on April 9, 2014.

AirClub: The AirClub is a 2012 founded airline alliance of seven airlines.  It is considered to be the first and only airline alliance of business airlines, in the world.  The alliance has a fleet of over 100 aircraft and is headquartered in Geneva, Switzerland.

Continent pass: A continent pass (usually called something like Europe (air)pass, Pacific (air)pass or American (air)pass) is a product and service of an airline alliance.  For a relatively low price the traveler can travel freely using all intra-continental flights the airline alliance offers on that continent.  There are restrictions on the number of miles, flights or stops the traveler can make.  Travelers can benefit from the extensive networks airline alliances offer and can earn reward points for each mile they fly by participating in the alliance's frequent flyer program.

Saudia: Saudia (Arabic: السعودية‎ ‎ "as-Suʿūdiyyah "), also known as Saudi Arabian Airlines (الخطوط الجوية العربية السعودية), is the national carrier airline of Saudi Arabia, based in Jeddah.  The airline's main operational base is at King Abdulaziz International Airport in Jeddah.  King Khalid International Airport in Riyadh and King Fahd International Airport in Dammam are secondary hubs.  The new Dammam airport was opened for commercial use on 28 November 1999.  Dhahran International Airport in use until then, has reverted to being used as a military base.  The airline is the third largest in the Middle East in terms of revenue, behind Emirates and Qatar Airways.  It operates domestic and international scheduled flights to over 120 destinations in the Middle East, Africa, Asia, Europe and North America.  Domestic and international charter flights are operated, mostly during the Ramadan and the Hajj season.  Saudia is a member of the Arab Air Carriers Organization and joined the SkyTeam airline alliance on 29 May 2012.

Dictatorship Resistance Committee: The Dictatorship Resistance Committee (Ukrainian: Комітет опору диктатурі ) is an alliance formed by several parliamentary factions, political parties and opposition activist groups in Ukraine that opposed the Ukrainian President Viktor Yanukovych.  Before the 2012 Ukrainian parliamentary elections, parliamentary members of the alliance joined the All-Ukrainnian Association Fatherland (Batkivshchyna) as an umbrella coalition All-Ukrainian Association Fatherland - United Opposition.

Oneworld: Oneworld (marketed as oneworld; CRS: *O) is an airline alliance founded on 1 February 1999.  The alliance's stated objective is to be the first-choice airline alliance for the world's frequent international travelers.  Its central alliance office is currently based in New York City in the United States.  Its member airlines include Air Berlin, American Airlines, British Airways, Cathay Pacific, Finnair, Iberia, Japan Airlines, LATAM Airlines, Malaysia Airlines, Qantas, Qatar Airways, Royal Jordanian, S7 Airlines and SriLankan Airlines, plus some 21 affiliated airlines.  As of August 2016, Oneworld is the third largest global alliance in terms of passengers with more than 557.4 million passengers carried, behind Star Alliance (689.98 M) and SkyTeam (665.4 M).  Its slogan is "An alliance of the world's leading airlines working as one."

PANA Coalition: The PANA Coalition (formerly PAN Coalition) is a political alliance between three political parties in Kosovo: the Democratic Party of Kosovo, Alliance for the Future of Kosovo and Initiative for Kosovo which stood in the 2017 elections.  The New Kosovo Alliance joined the coalition after the elections.

History of Kingfisher Airlines: Kingfisher Airlines was established in 2003.  It is owned by the Bengaluru based United Breweries Group.  The airline started commercial operations on 9 May 2005 with a fleet of four new Airbus A320-200s operating a flight from Mumbai to Delhi.  It started its international operations on 3 September 2008 by connecting Bengaluru with London.  Kingfisher's head office is located in Kingfisher House Western Express Highway Vile Parle (E) Mumbai – 400099 India and its registered office is located in UB City, Bangalore.  Its head office was previously in the Kingfisher House in Vile Parle (East), Mumbai.  In 2012 Vijay Mallya was trying to sell the Vile Parle Kingfisher House.  The airline had shut down its operations when on 20 October 2012 the DGCA suspended its flying license.  This suspension had been due to failure to give an effective response to the show-cause notice issued by DGCA.  However, The airline had locked out its employees for several days before this suspension.  On 25 October 2012, the employees agreed to return to work.  On 7 June 2010 Kingfisher became a member elect of the Oneworld airline alliance when it signed a formal membership agreement.  Kingfisher confirmed on 20 December 2011 that it will join the Oneworld airline alliance on 10 February 2012.  Kingfisher would have been the first Indian carrier to join one of the big airline alliances.  However, on 3 February 2012, owing to bad financial situation and two days after the International Air Transport Association (IATA) clearing house suspended Kingfisher Airlines; the airlines participation to Oneworld has been put on hold.

SkyTeam: SkyTeam is an airline alliance.  Founded in June 2000, SkyTeam was the last of the three major airline alliances to be formed, the first two being Star Alliance and Oneworld.  s of 2014 , SkyTeam consists of 20 carriers from five continents and operates with the slogan "Caring more about you".  It also operates a cargo alliance named SkyTeam Cargo, which partners ten carriers, all of them SkyTeam members.  Its centralised management team, "SkyTeam Central", is based at the World Trade Center Schiphol Airport on the grounds of Amsterdam Airport Schiphol in Haarlemmermeer, Netherlands.

Unity Alliance of Iraq: The Unity Alliance of Iraq (Arabic: ائتلاف وحدة العراق "I’itilaf Wehdat al-Iraq") commonly known as Iraq's Unity, Iraqi Unity or Wassat is an Iraqi political coalition formed to contest the Iraqi parliamentary election, 2010.  The coalition was formed by Sheikh Ahmed Abu Risha, the head of the Awakening movement, a Sunni tribal militia which was successful in significantly reducing the insurgency in al-Anbar Governorate and was then reformed into a political party, the Iraq Awakening and Independents National Alliance, which won the most seats in the Al Anbar governorate election, 2009.  The Awakening Alliance joined forces with Iraq's Shi'a interior minister Jawad al-Bolani and his secular Iraqi Constitutional Party and Ahmed Abdul Ghafour al-Samarrai's Sunni Endowment.  The list is led by Jawad al-Bolani.

Supporting paragraphs: Saudia SkyTeam
Answer: June 2000