Here is some fun and interesting information on WF clears. Information is from Method’s website. List of all the Guilds would got World First clears from Vanilla through current raid tier and a total of which regions got the most WF clears. This list is also for the hardest difficulty only and doesn’t include Classic only Retail.
Source:
https://www.method.gg/raid-history/
Vanilla
- Onyxia’s Lair - Ruined (US)
- Molten Core - Ascent (US)
- Black Wing Lair - Drama (US)
- Temple of Ahn’Qiraj - Nihilum (EU)
- Naxxramas - Nihilum (EU)
Burning Cursade
- Gruul - Nihilum (EU)
- Magtheridon - Nihilum (EU)
- Serpentine Cavern - Nihilum (EU)
- Tempest Keep - Nihilum (EU)
- Battle for Mount Hyjal - Nihilum (EU)
- Black Temple - Nihilum (EU)
- Sunwell Plateau - SK Gaming (EU)
Wrath of the Lich King
- Naxxramas - Ensidia (EU)
- Obsidan Sanctum - Ensidia (EU)
- Eye of Eternity - Ensidia (EU)
- Ulduar - Stars (TW)
- Trial of the Grand Crusader - Paragon (EU)
- Icecrown Citadel - Paragon (EU)
- Ruby Sanctum - Premonition (US)
Cataclysm
- Blackwing Descent - Paragon (EU)
- Bastion of Twilight - Paragon (EU)
- Throne of the Four Winds - Paragon (EU)
- Firelands - Paragon (EU)
- Dragon Soul - KIN Raiders (KR)
Mists of Pandaria
- Mogu’shan Vaults - Method (EU)
- Heart of Fear - Blood Legion (US)
- Terrace of Endless Spring - Method (EU)
- Throne of Thunder - Method (EU)
- Siege of Orgrimmar - Method (EU)
Warlords of Draenor
- Highmaul - Paragon (EU)
- Blackrock Foundry - Method (EU)
- Hellfire Citadel - Method (EU)
Legion
- Emerald Nightmare - Exorsus (EU)
- Trial of Valor - Method (EU)
- The Nighthold - Exorsus (EU)
- Tomb of Sargeras - Method (EU)
- Antorus - Method (EU)
Battle for Azeroth
- Uldir - Method (EU)
- Battle of Dazar’alor - Method (EU)
- Crucible of Storms - Pieces (EU)
- The Eternal Palace - Method (EU)
- Ny’alotha - Complexity Limit (US)
Shadowlands
- Castle Nathria - Complexity Limit (US)
- Sanctum of Domination - Echo (EU)
- Sepulcher of the First Ones - Echo (EU)
Dragonflight
- Vault of the Incarnates - Echo (EU)
- Aberrus, the Shadowed Crucible - Liquid (US)
- Amirdrassil, the Dream’s Hope - Echo (EU)
The War Within
- Nerub’ar Palace - Liquid (US)
- Liberation of Undermine - Liquid (US)
Total Wins:
- European Union - 38
- United States - 10
- Taiwan - 1
- South Korea - 1