Vasil Petrov Kolarov (; 16 July 1877 – 23 January 1950) was a Bulgarian communist political leader and leading functionary in the Communist International (Comintern).
Biography
Early years
Kolarov was born in Şumnu, Ottoman Empire (now Shumen, Bulgaria) on 16 July 1877, the son of a shoemaker. After graduating from high school in Varna, he worked as a teacher in Nikopol from 1895 to 1897.
In 1897, Kolarov joined the Bulgarian Workers' Social Democratic Party (BWSDP). In 1913, Kolarov was elected to the Bulgarian National Assembly.
In June 1923, Kolarov spoke at the 3rd Enlarged Plenum of ECCI in Moscow before returning secretly to Bulgaria at the end of the month. There he was promptly arrested but released on 5 August.