2012

Yu-Gi-Oh!-related events in 2012.

January

 * 7 - Japanese OCG release date for Gold Series 2012.
 * 14 - TCG sneak previews for Order of Chaos took place until the 15th.
 * 19 - French, German, Italian and Spanish TCG release date for Order of Chaos.
 * 20 - European and Oceanic English TCG release date for Order of Chaos.
 * 24 - North American English TCG release date for Order of Chaos.
 * 28 - Yu-Gi-Oh! Extravaganza New Orleans 2012 took place until the 29th.

February

 * 2 - French, German, Italian and Spanish TCG release date for Structure Deck: Dragons Collide.
 * 3 - European and Oceanic English TCG release date for Structure Deck: Dragons Collide.
 * 4 - Yu-Gi-Oh! Championship Series Guadalajara 2012 took place until the 5th.
 * 7 - North American English TCG release date for Structure Deck: Dragons Collide.
 * 16 - French, German, Italian and Spanish TCG release date for Ra Yellow Mega-Pack
 * 17 - European and Oceanic English TCG release date for Ra Yellow Mega-Pack
 * 18 - Japanese OCG release date for Galactic Overlord.
 * 18 - Yu-Gi-Oh! Championship Series Atlanta 2012 took place until the 19th.
 * 21 - North American English and Latin American Spanish TCG release date for Ra Yellow Mega-Pack
 * 25 - Yu-Gi-Oh! Championship Series Leipzig 2012 took place until the 26th.

March

 * 1 - March 2012 Forbidden and Limited Lists came into effect.
 * 6 - North American English and Latin American Spanish TCG release date for the Order of Chaos: Special Edition.
 * 15 - French, German, Italian and Spanish TCG release date for the 2012 Premium Collection Tin.
 * 16 - European and Oceanic English TCG release date for the 2012 Premium Collection Tin.
 * 17 - Japanese OCG release date for Starter Deck 2012.
 * 20 - North American English TCG release date for the 2012 Premium Collection Tin.
 * 24 - Yu-Gi-Oh! Championship Series Long Beach 2012 took place until the 25th, being the one-hundredth Yu-Gi-Oh! Championship Series.
 * 30 - TCG release date for Hidden Arsenal 5: Steelswarm Invasion: Special Edition.
 * 31 - Yu-Gi-Oh! Championship Series Lima 2012 took place until April 1.

April

 * 10 - The 2012 Israeli National Championship took place until the 11th.
 * 12 - French, German, Italian and Spanish TCG release date for Starter Deck: Xyz Symphony.
 * 13 - European and Oceanic English TCG release date for Starter Deck: Xyz Symphony.
 * 14
 * Japanese OCG release date for Return of the Duelist.
 * Yu-Gi-Oh! Championship Series Dallas 2012 took place until the 15th.
 * Yu-Gi-Oh! Championship Series Toulouse 2012 took place until the 15th.
 * Yu-Gi-Oh! Extravaganza Toronto 2012 took place until the 15th.
 * 17 - North American English TCG release date for Starter Deck: Xyz Symphony.
 * 25 - Rule changes concerning fast effects and timing and the effective deprecation of the term "priority" came into effect.
 * 28
 * North American English TCG Sneak Previews for Galactic Overlord took place until the 29th.
 * Yu-Gi-Oh! Championship Series Chicago 2012 took place until the 29th.
 * The 2012 French National Championship took place until the 29th.

May

 * 5
 * European English, Oceanic English, French, German, Italian and Spanish TCG Sneak Previews for Galactic Overlord took place until the 6th.
 * The 2012 Guatemalan National Championship took place.
 * 6 - The 2012 Dominican National Championship took place.
 * 8 - North American English TCG release date for Galactic Overlord.
 * 12
 * Japanese OCG release for Duelist Edition Volume 1.
 * Japanese OCG release for Duelist Edition Volume 2.
 * The 2012 Argentinian National Championship took place.
 * The 2012 Belgian National Championship took place until the the 13th.
 * The 2012 Bolivian National Championship took place.
 * 13
 * The 2012 Austrian National Championship took place.
 * The 2012 Colombian National Championship took place.
 * The 2012 Nicaraguan National Championship took place.
 * 19
 * Yu-Gi-Oh! Championship Series Philadelphia 2012 took place until the 20th.
 * The 2012 Brazilian National Championship took place until the 20th.
 * The 2012 Chilean National Championship took place.
 * The 2012 Ecuadorian National Championship took place.
 * The 2012 Jamaican National Championship took place.
 * The 2012 Mexican National Championship took place until the 20th.
 * 20
 * The 2012 Costa Rican National Championship took place.
 * The 2012 Maltese National Championship took place.
 * The 2012 Panamanian National Championship took place.
 * The 2012 Peruvian National Championship took place.
 * The 2012 Salvadoran National Championship took place.
 * The 2012 Venezuelan National Championship took place.
 * 24 - European and Oceanic English TCG release date for Battle Pack: Epic Dawn.
 * 25 - United States English TCG release date for Duel Terminal 6b: Xyz Activate!!.
 * 26
 * The 2012 German National Championship took place until the 27th.
 * The 2012 Portuguese National Championship took place.
 * The 2012 Slovenian National Championship took place.
 * The 2012 Swedish National Championship took place until the 27th.
 * The 2012 Swiss National Championship took place.
 * 29 - North American English TCG release date for Battle Pack: Epic Dawn.
 * 27
 * The 2012 Hondurian National Championship took place.
 * The 2012 Norwegian National Championship took place.
 * 30 - Yu-Gi-Oh! Extravaganza Columbus 2012 takes place until June 3.

June

 * 2
 * The 2012 Bulgarian National Championship takes place.
 * The 2012 Irish National Championship takes place.
 * 3
 * The 2012 New Zealanders National Championship takes place.
 * The 2012 Turkish National Championship takes place.
 * 9
 * The 2012 Australian National Championship takes place until the 10th.
 * The 2012 Czech National Championship takes place until the 10th.
 * The 2012 Dutch National Championship takes place until the 10th.
 * The 2012 United Kingdom National Championship takes place until the 10th.
 * 12 - North American English TCG release date for Gold Series: Haunted Mine.
 * 16
 * Japanese OCG release date for Structure Deck: Roar of the Sea Emperor.
 * The 2012 Croatian National Championship takes place.
 * The 2012 Danish National Championship takes place until the 17th.
 * The 2012 Finnish National Championship takes place.
 * The 2012 Polish National Championship takes place until the 17th.
 * The 2012 South African National Championship takes place.
 * The 2012 Spanish National Championship takes place until the 17th.
 * 17 - The 2012 Greek National Championship takes place.
 * 23 - The 2012 Italian National Championship takes place until the 24th.
 * 26 - TCG release date for Structure Deck: Samurai Warlords.

Unspecified date
 * Japanese OCG release for Duel Terminal Chronicle 1 - Chapter of Awakening.

July

 * 6 - The 2012 European Championship takes place until the 8th.
 * 14 - The 2012 Oceanian Championship takes place until the 15th.
 * 21 - Japanese OCG release date for Abyss Rising.
 * 24 - English TCG release date for Hidden Arsenal 6: Omega Xyz.

August

 * 11
 * 2012 World Championship takes place in Tokyo until the 12th.
 * Japanese OCG release date for Duelist Edition Volume 3.
 * Japanese OCG release date for Duelist Edition Volume 4.
 * 14 - TCG release date for the 2012 Collectors Tins.