Fiji and new Zealand has won the most rugby sevens tournaments
England.
England beat New Zealand 19-17 in the final.
once in rugby sevens
The country that won the bronze medal in the Men's Rugby Sevens Tournament at the Rio 2016 Olympics was South Africa.
South Africa
Argentina 14 - Wales 0
No i dont think so Rugby union was competed at the Olympics in 1900, 1908, 1920 and 1924. France won the gold medal in 1900, Australasia (combined team of Australia and New Zealand) won gold in 1908, and the United States won in 1920 and 1924.
They have never won the world cup for rugby union however with the exception of the rugby sevens, they have held this title before.
Harlequins of England won the 1987 Melrose Sevens event. Click on the 'Melrose Sevens' link on this page to go to the official Melrose Sevens website.
New Zealand
The Ulster rugby team were runners up in the Heineken Cup league in 2011-12. In 2012 itself they won an amazing 13 games in a row which is the longest unbroken run of wins in their history.