When is WIBC held, and for how many days? WIBC always takes place the weekend before Thanksgiving. 33rd ANNUAL CONVENTION: Friday, November 18 - Monday, November 21, 2011 (4 days) 34th ANNUAL CONVENTION: Friday, November 16 - Monday, Novebmer 19, 2012 (4 days) 35th ANNUAL CONVENTION: Friday, November 22 - Monday, Novebmer 25, 2013 (4 days)