Twice - 1956 in Melbourne, Australia and 2000 in Sydney, Australia. Rio de Janeiro is in contention to host the 2016 Summer Olympics. Should they be awarded the games they would be the third Southern Hemisphere city to host the Games and the first South American city to host the Games.
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Australia in 1956 (Melbourne) and 2000 (Sydney).
Australia hosted the first Olympics in the Southern Hemisphere, when they hosted the 1956 Melbourne Olympics.The country also hosted the 2000 Sydney Olympics.
Australia has never hosted the Winter Olympics. It's difficult to host the Winter Olympics in the Southern Hemisphere because it is summer when the games are traditionally played (February)
4
1 ... that being Japan who hosted the 1972 Winter Olympics in Sapporo and the 1998 Winter Olympics in Nagano.
1956
a total of 23 countries
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Melbourne in 1956 and Sydney in 2000.