Every convention that has occured throughout the USA is listed here - the history, the controversaries, the dates that were held - are all detailed here.
Overview
A
1. Anime Expo
2. Anime USA
3. Anime NYC
4. Animazement
5. Anime Banzai
6. Anime Boston
7. Anime Centrl
8. Anime Central
9. Anime Detour
10. Anime Festival Orlando
11. Anime Festival Wichita
12. Anime Frontier
13. Anime Los Angeles
14. Anime Matsuri
15. Anime Midwest
16. Anime Milwaukee
17. Anime NebrasKon
18. Anime North
19. Anime Psadena
20. Anime Revolution
21. Anime Weekend Atlanta
22. AnimeFest
23. AnimeIowa
24. AnimeNEXT
25. Animethon
26. Arkansas Anime Festival
27. A-Kon
28. AM²
29. Ani-Jam
30. AnimeCon
31. Anwave
32. Anime Conji
33. Anime Mid-Atlantic
34. Anime Punch!
35. Anime Salt Lake
36. Anime South
37. AniZona
38. Auror-Con
39. AzeCON
B
1. Bak-Anime
2. Big Apple Anime Fest
C
1. Castle Point Anime Convention
2. ColossalCon
3. Con-Nichiwa
4. Crunchyroll Expo
E
1. EvilleCon
F
1. FanimeCon
G
1. Glass City Con
I
J
1. JAFAX
2. J-1 Con
3. Japan Expo USA
K
1. Kami-Con
2. Katsucon
3. Kawii Kon
4. Kitsune Kon
5. Kumoricon
6. KotoriCon
7. Kunicon
M
1. Matsuricon
2. Metrocon
3. Middle Tennessee Anime Convention
4. MangaNEXT
5. MechaCon
N
1. Naka-Kon
2. Nan Desu Kan
3. Nekocon
4. No Brand Con
5. NashiCon
6. New York Anime Festival
O
1. Ohayocon
2. OMGcon
3. Oni-Con
4. Otakon
P
1. PortConMaine
2. PersCon
3. Providence Anime Conference
Q
1. QC Anime-zing!
S
1. Saboten Con
2. SacAnime
3. Sakura-Con
4. San Japan
5. Senshi-Con
6. Setsucon
7. SNAFU Con
8. SaikouCon
9. Shoujocon
10. Shuto COn
11. SoDak Con
12. Sogen Con
13. SugoiCon
T
1. Tekko
2. Tokyo, OK
3. Tora-Con
4. Tsubasacon