Yes. In 1970, 1986 and the 2014 games in July/August.
Scotland has hosted the Commonwealth Games three times, Edinburgh in 1970 and 1986, and Glasgow in 2014.
No, Nigeria has never hosted the Commonwealth Games.
No, America has never hosted the Commonwealth Games as they are not part of the Commonwealth of Nations.
No, South has never hosted the Commonwealth Games. It will host its first Games in 2022.
No.
India hosted its first-ever Commonwealth Games, when it won the right to host the Games in Delhi.
Australia, Canada, New Zealand, England, Scotland and Wales have qualified for every Commonwealth Games.
Yes, three cities have hosted both the Commonwealth Games and the Olympic Games: London(CG: 1934, OG: 1908, 1948 and 2012), Sydney(CG:1938 and OG:2000) and Vancouver (CG: 1954 and OG: 2010).*As of 2014
The last time the Commonwealth games were held in Scotland, they were held in Edinburgh, in the year of 1986, they will also be held in Glasgow in the year of 2014. Past that, the games were only ever held there once before, in 1970, while still known as the British Commonwealth games, Also held in Edinburgh. The games are held every four years.
The Commonwealth Games were held in the following years: 1930 (Hamilton), 1934 (London), 1938 (Sydney), 1950 (Auckland), 1954 (Vancouver),1958 (Cardiff), 1962 (Perth), 1966 (Kingston), 1970 (Edinburgh), 1974 (Christchurch), 1978 (Edmonton), 1982 (Brisbane), 1986 (Edinburgh), 1990 (Auckland), 1994 (Victoria), 1998 (Kuala Lumpur), 2002 (Manchester), 2006 (Melbourne), 2010 (Delhi), 2014 (Glasgow), 2018 (Gold Coast) and 2022 (Durban).
Barbados has never hosted the Olympic games.
Yes, they hosted the 1998 Asian Games.