Rugby Football Union was created in 1871.
Tasman Rugby Union was created in 2006.
Welsh Rugby Union was created in 1881.
Hurricanes - rugby union - was created in 1996.
Marlborough Rugby Union was created in 1888.
Highlanders - rugby union - was created in 1996.
Crusaders - rugby union - was created in 1996.
Sharks - rugby union - was created in 1997.
Scottish Rugby Union was created in 1873.
Auckland Rugby Football Union was created in 1883.
Easts Tigers Rugby Union was created in 1947.
Japan Rugby Football Union was created in 1926.