Austria, Bulgaria, Germany, Hungary, and the Ottoman Empire were not invited to attend the 1920 Antwerp games in Belgium, having lost the World War I.
Possibly the most famous Olympic boycotts occurred in 1980 and 1984, due to the Soviet invasion in Afghanistan.
[3] Later, India joined the boycott over China's decision to choose Qi Fabao, a regimental commander in the People's Liberation Army, as a torchbearer for the event.
[4][5] The following is the list of countries that did not send official delegations to the Games, but permitted their athletes to participate.
During the 2014 Winter Paralympics in Russia, the United States and United Kingdom diplomatically boycotted the event, and the entire Ukrainian delegation except for their flagbearer boycotted the opening ceremony due to Russia's annexation of Crimea and the violation of the Olympic Truce.