Excluding the league code as this is technically a variant as it was developed out of the Union code
these are the basic recognised versions
Rugby union was :) the rugby union club i captain is the oldest rugby club in the world
rugby union is the world cup, the six nations, the european nations cup... rugby union is what people know as rugby. all other forms of rugby are not as popular.
Yes, a rugby union video referee is a qualified Rugby Union Referee.
Highlanders - rugby union - was created in 1996.
Welsh Rugby Union was created in 1881.
Rugby Football Union was created in 1871.
Hurricanes - rugby union - was created in 1996.
Marlborough Rugby Union was created in 1888.
Scottish Rugby Union was created in 1873.
Goulburn Rugby Union was created in 1872.
Sharks - rugby union - was created in 1997.