Estonian athletes took part at every Olympic Games until the country was annexed by the Soviet Union in 1940 .
Estonia first competed as a nation at the 1920 Summer Olympics , although the National Olympic Committee was established in 1923 .
Estonia athletes took part at every Olympic Games until the country was annexed by the Soviet Union in 1940 .
Estonia first competed as a nation at the 1920 Summer Olympics , although the National Olympic Committee was established in 1923 .