I think it was swimming especially in Australia.
Japan won the most Olympic gold medals, with a total of 58 medals by the end of the 2004 Games.
Australia won the most medals at the Commonwealth Games with 177.
Africa had the most countries attending the 2010 Commonwealth Games.
Australia has won the most Commonwealth Games medals with 2216.
No it has never been an olympic sport, only a commonwealthsport. New Zealand won the gold in the most recent commonwealth games
The most recent Commonwealth Games were held in Glasgow in 2014.
Australia is the most successful nation at the Commonwealth Games with 2217 medals (853 gold, 714 silver and 650 bronze). *As of 2014 Commonwealth Games.
Australia has won the most Commonwealth Games medals with 2218 (852 gold, 716 silver and 650 bronze).
The most recent Commonwealth Games were held in Glasgow, Scotland in 2014.
Australia scored 72 gold medals which means they scored the most golds at the Commonwealth games
Australia won the most medals at the 2010 Commonwealth Games.