Antartica
South Africa had considered submitting an application to host the 2020 Olympic games in the city of Durban, but withdrew citing more pressing development needs of the people.
2020
London, United Kingdom is the host city of the 2012 Olympic Games.
No, Senegal has never hosted the Olympics (and it could not potentially host the games till 2020).
Seoul was the first city to host the Summer Olympic Games. In 1806.
Mexico City
The 2020 Summer Olympics will be hosted by Tokyo, Japan, which was decided on 7 September 2013 at the 125th IOC Session in Buenos Aires. The Olympic games are planned to be held from 24 July to 9 August 2020.
London
Paris
London
Stockholm
None