Actually there is no difference. Its a name given to the top level of the professional game which indictaes the bast teams in the league which is made up of South Africa, New Zealand & Australia
Rugby sevens differs from regular rugby because in rugby sevens, the matches generally last for one-fifth of the time of a normal rugby match, and that there is essentially twice as much room as normal rugby.
Premiership Rugby Sevens Series was created in 2010.
Rugby League World Sevens was created in 1988.
Rugby World Cup Sevens was created in 1993.
Fiji and new Zealand has won the most rugby sevens tournaments
Generally their is 2 types of rugby. Rugby Union (15 Players) and Rugby League (13 players). The rules differ but they remain very similar sports. Rugby Uniuon is also played on a sevens basis accross the world.
New Zealand National Rugby Sevens Tournament was created in 1975.
no
Wales
no but rugby sevens will be in the 2016 olympics in rio
Rugby union, or more specifically, rugby sevens.
once in rugby sevens
rugby sevens