Original: In 1920, during the Tours Congress, the majority and left wing of the party broke away and formed the French Section of the Communist International (Section française de l'Internationale Communiste or SFIC) to join the Third International founded by Vladimir Lenin.
Simplified: In 1920, during the Tours Congress, the majority and left wing of the party broke away and formed the French Section of the Communist International (Section française de l'Internationale Communiste or SFIC).