Guild progression (WotLK)

Guild progression contains information on the world's first 10 kills of each raid boss in the Wrath of the Lich King expansion that was launched on November 13, 2008.

First kills

 * Naxxramas
 * Chamber of Aspects
 * The Eye of Eternity
 * Ulduar

First kill counter
Number of "World first" kills made by :
 * Ensidia : 20
 * Premonition : 6
 * Inner Sanctum : 3
 * Crimson : 2
 * Deus Vox : 1
 * Exodus: 1
 * Fuse : 1
 * Insomnia : 1
 * Irae AoD : 1
 * Out of Line : 1
 * Tyranny : 1
 * V A N Q U I S H : 1

Details

 * Number of "World first" kills made by Europe : 24
 * Number of "World first" kills made by USA : 14
 * Number of "World first" kills made by the Horde : 28
 * Number of "World first" kills made by the Alliance : 10

Progression outside of US and EU

 * Oceanic guild progression (WotLK)