World Championship Rugby happened in 2004.
World Championship Rugby was created on 2004-04-08.
the total teams is 103 registered with World Rugby (as of 2017)
Championship - rugby league - was created in 2003.
Collegiate Rugby Championship was created in 2010.
Canadian Rugby Championship was created in 2009.
Australian Rugby Championship was created in 2006.
Regional Rugby Championship was created in 2007.
Americas Rugby Championship was created in 2009.
Caribbean Women's Rugby Championship was created in 2003.
County Championship - rugby union - was created in 1889.
French Rugby League Championship was created in 1934.