The First Congress of the Communist International, also called Comintern, was held at Moscow on 2-6 March 1919. After the 1917 October Revolution in Russia, the Communist Party of the Soviet Union(CPSU) took initiative for the Communist International Congress and formed the same. Communist parties of many countries participated. It was under the leadership of V.I.Lenin, that the Comintern was formed. The Comintern continued till 1935 Congress.

It is almost one hundred years after Comintern was formed. These years saw the rise and growth of USSR, its collapse in the 1980s and the developments in the Communist movement world over. The Communist Parties are in power in Vietnam, Cuba, China and N.Korea at present. There are many countries in Latin America included, which have Left or Left of the centre governments. In Russia, the Communist Party is the second largest party.