WFTDA Championships happened in 2006.
WFTDA Championships was created in 2006.
WFTDA Eastern Regional Tournament happened in 2007.
WFTDA North Central Regional Tournament happened in 2009.
WFTDA South Central Regional Tournament happened in 2009.
WFTDA Eastern Regional Tournament was created in 2007.
WFTDA North Central Regional Tournament was created in 2009.
WFTDA South Central Regional Tournament was created in 2009.
Nintendo World Championships happened in 1990.
Commonwealth Sailing Championships happened in 2003.
U.S. Open Cycling Championships happened in 2007.
Yes
Like World Championships? If so, then yes. The World Championships happen every fall, usually in October, with the exception of years when the Olympics are held.