Usually for 3 days from Friday-Sunday. Most conventions have you preregister to attend on Friday, though.
SoDak Anime Convention is in Rapid City, and will be held on June 15-17, 2012.
6 years
um not sure but i think no game no life counts =)
Just about every Japanese pop culture or anime manga convention is a cosplay convention.
Anime Expo will be July 1 thru the 4 at the Los Angeles Convention center.
You can Buy them Online or at Anime conventions.. the anime Convention i wen to i got a Miku Hatsune Plush
There is no Kingdom Hearts convention. There are cosplayers at anime expos who cosplay Kingdom Hearts though.
July 29 - July 31, 2011 | Baltimore Convention Center Baltimore, Maryland, USA
It is usually four days long. In 2016, the Republican National Convention was held in Cleveland. It lasted from July 18 - 21, 2016.
Google Anime Conventions for that year and you should get results for just about every anime convention all over the US!
AWA, or Anime Weekend Atlanta is held in Atlanta, Georgia. http://www.awa-con.com/
i went to a convention center just last week. there was a convention last week.