Independence Day (Mongolia) in 1919 and by Russia in early 1921. Independence Day (Mongolia) The Independence Day of Mongolia () is the main state holiday in Mongolia. This date is celebrated annually on 29 December. It marks Mongolia's independence from China in 1921. It has been celebrated annually in Mongolia since 2011. Independence Day is also the term used for Constitution Day on November 26. After the Xinhai Revolution in China in May 1911, the Qing dynasty was overthrown and Mongolia under the Bogd Khan declared its independence on December 29, 1911. The newly established Republic of Mongolia lasted for 8 years until
Independence Day (South Ossetia) Independence Day (South Ossetia) The Independence Day of South Ossetia (Russian:День независимости Южной Осетии) is the main state holiday in the partially recognized Republic of South Ossetia. This date is celebrated on September 20. It commemorates South Ossetia's declaration of independence from the Georgian SSR in 1990, and the country's recognition as a sovereign state by Russia in 2008. South Ossetia first declared its independence from Georgia in 1920 following the Russian Revolution in Russia. After the Soviet Army invaded Georgia in 1921, the government declared South Ossetia an autonomous region within the Georgian SSR. On September 20, 1990, the