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Sixteen countries participated in the first Winter Olympics in 1924.
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The countries that participated in their first Winter Olympics in 2002 were Nepal. Tajikistan, Cameroon, Thailand, and Hong Kong.
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1896 was the first time the United States participated in the Olympics, which was a Summer Olympics. The first Winter Olympics the U.S. participated in was in 1924.
Countries that participated in their first Olympics in 1952 were Bahamas, Ghana, Hong Kong, Indonesia, Israel, Netherlands Antilles, Nigeria, South Vietnam, and Thailand.
16 different countries participated in the first winter olympic games in Chamonix, France in 1924.
USA competed in demonstration in 1904. Various teams around the country participated in the tournament. In 1936 (Berlin), USA competed with other countries around the world and won gold medal.
Ethiopia first participated in the Summer Olympics in 1956 and has been to every Summer Olympics, except the 1976 Summer Olympics, since then.
204 National Olympic Committees participated in the 2008 Beijing Olympics. Not all of these committees represent a sovereign nation, however. Vatican City and Kosovo were two countries that did not participate, and Brunei (who does have a NOC) also did not participate in the Olympics that year. So in total, 192 countries participated in addition to 12 dependent/autonomous territories. The 2008 Beijing Olympics were the first Olympics that Serbia and Montenegro competed in separately, and were also the first Olympics for the Marshall Islands and Tuvalu.
11 Countries Participated in first Asian Games
The 1900 Summer Olympics in Paris were the first Olympics at which a Canadian athlete participated.