Here is the list of guilds who bested naxx 40 in this patch, 1.12, that classic is.
56 guilds were able to complete naxx, and you dont want to know how many were horde and how many were alliance.
57-66 were completed in patch 2.0.3 etc.
Lets see the pros make it to this list =)
|1|Nihilum|Kel`Thuzad - 07 Sep 2006|EU - Magtheridon
|2|Risen|Kel`Thuzad - 09 Sep 2006|US - Alleria|
|3|Death and Taxes|Kel`Thuzad - 09 Sep 2006|US - Korgath|
|4|Deus Vox|Kel`Thuzad - 11 Sep 2006|US - Laughing Skull|
|5|Forte|Kel`Thuzad - 18 Sep 2006|EU - Kazzak|
|6|Borked|Kel`Thuzad - 22 Sep 2006|EU - Ravencrest|
|7|Decimation|Kel`Thuzad - 25 Sep 2006|EU - Talnivarr|
|8|Beyond Redemption|Kel`Thuzad - 26 Sep 2006|EU - Twisting Nether|
|9|Praemium Callidus|Kel`Thuzad - 27 Sep 2006|EU - Magtheridon|
|10|Meet Your Makers|Kel`Thuzad - 01 Oct 2006|EU - Vek’nilash|
|11|Core|Kel`Thuzad - 02 Oct 2006|EU - Stormscale|
|12|Memento Mori|Kel`Thuzad - 03 Oct 2006|EU - Frostmane|
|13|Surge|Kel`Thuzad - 08 Oct 2006|US - Burning Blade|
|14|Addicted|Kel`Thuzad - 08 Oct 2006|EU - Frostwolf|
|15|Illumination|Kel`Thuzad - 09 Oct 2006|US - Turalyon|
|16|Afterlife|Kel`Thuzad - 12 Oct 2006|US - Cenarius|
|17|Stature of the Gods|Kel`Thuzad - 14 Oct 2006|EU - Al’Akir|
|18|Path of Wreckage|Kel`Thuzad - 17 Oct 2006|EU - Twilight’s Hammer|
|19|Imba|Kel`Thuzad - 30 Oct 2006|EU - Ravencrest|
|20|Transcendence|Kel`Thuzad - 31 Oct 2006|US - Smolderthorn|
|21|Inner Sanctum|Kel`Thuzad - 31 Oct 2006|EU - Silvermoon|
|22|WANTED|Kel`Thuzad - 31 Oct 2006|EU - Stonemaul|
|23|Eternals|Kel`Thuzad - 05 Nov 2006|US - Shadow Moon|
|24|Forlorn Legacy|Kel`Thuzad - 06 Nov 2006|US - Windrunner|
|25|Crab People|Kel`Thuzad - 06 Nov 2006|EU - Talnivarr|
|26|Exiled|Kel`Thuzad - 08 Nov 2006|EU - Haomarush|
|27|Method|Kel`Thuzad - 08 Nov 2006|EU - Sylvanas|
|28|Balance|Kel`Thuzad - 08 Nov 2006|EU - Grim Batol|
|29|The Flying Hellfish|Kel`Thuzad - 11 Nov 2006|US - Kil’Jaeden|
|30|DarkStorm|Kel`Thuzad - 12 Nov 2006|EU - Al’Akir|
|31|Inquisition|Kel`Thuzad - 12 Nov 2006|US - Thunderlord|
|32|Bad Omen|Kel`Thuzad - 14 Nov 2006|EU - Dentarg|
|33|Loot FTW|Kel`Thuzad - 14 Nov 2006|EU - Twilight’s Hammer|
|34|Vis Maior|Kel`Thuzad - 14 Nov 2006|US - Bonechewer|
|35|Imbalanced|Kel`Thuzad - 14 Nov 2006|EU - Neptulon|
|36|The last Watch|Kel`Thuzad - 19 Nov 2006|EU - Turalyon|
|37|Flying Circus|Kel`Thuzad - 26 Nov 2006|EU - Darksorrow|
|38|Order of the Hammer|Kel`Thuzad - 27 Nov 2006|EU - Shattered Hand|
|39|Fusion|Kel`Thuzad - 28 Nov 2006|EU - Emeriss|
|40|The Dark Embrace|Kel`Thuzad - 28 Nov 2006|EU - Neptulon|
|41|Excesse|Kel`Thuzad - 03 Dec 2006|EU - Burning Legion|
|42|The Legacy|Kel`Thuzad - 04 Dec 2006|EU - Mazrigos|
|43|Security|Kel`Thuzad - 04 Dec 2006|EU - Frostmane|
|44|Exigence|Kel`Thuzad - 04 Dec 2006|US - Dragonblight|
|45|Purple Rain|Kel`Thuzad - 05 Dec 2006|EU - Zenedar|
|46|Phoeníx|Kel`Thuzad - 05 Dec 2006|EU - Kel’Thuzad|
|47|Infamous|Kel`Thuzad - 19 Dec 2006|EU - Outland|
|48|In Excelsis|Kel`Thuzad - 19 Dec 2006|EU - Frostmane|
|49|Succession|Kel`Thuzad - 23 Dec 2006|EU - Outland|
|50|Warrior Kittens|Kel`Thuzad - 24 Dec 2006|EU - Twilight’s Hammer|
|51|Momentum|Kel`Thuzad - 31 Dec 2006|US - Destromath|
|52|Fuse|Kel`Thuzad - 01 Jan 2007|US - Cenarius|
|53|Eternal Reign|Kel`Thuzad - 06 Jan 2007|US - Lightbringer|
|54|Progenies Infernalis|Kel`Thuzad - 06 Jan 2007|EU - Aegwynn|
|55|Heist|Kel`Thuzad - 07 Jan 2007|US - Cenarius|
|56|Ascendance|Kel`Thuzad - 07 Jan 2007|US - Uther|
|57|Holyfreaks|Kel`Thuzad - 09 Jan 2007|EU - Frostwolf|
|58|The Fallen|Kel`Thuzad - 09 Jan 2007|EU - Ysondre|
|59|Reign|Kel`Thuzad - 14 Jan 2007|US - Uther|
|60|Attrition|Kel`Thuzad - 11 Feb 2007|US - Staghelm|
|61|Acumen|Kel`Thuzad - 22 Mar 2007|EU - Anub’arak|
|62|Underscore|Kel`Thuzad - 01 Apr 2007|US - Lothar|
|63|Sora|Kel`Thuzad - 12 May 2007|EU - Aszune|
|64|Genesis|Kel`Thuzad - 12 May 2007|EU - Aszune|
|65|Alliance of Chaos|Kel`Thuzad - 31 Aug 2007|EU - Anub’arak|
|66|eXistenZ|Kel`Thuzad - 30 Oct 2007|EU - Executus|