Clara Josephine Zetkin, born July 5, 1857 in Wiederau, Saxony, died June 20, 1933 in Moscow in the Soviet Union, was a German communist and women's rights activist. She was active in Germany's Social Democratic Party and later in the Radical Spartacus Federation and the Communist Party. Clara Zetkin was one of the most prominent women in the socialist movement in Europe. In 1910, she launched the International Women's Day. Zetkin went into exile to the Soviet Union when the Nazis came to power in 1933 and died in the summer of the same year. Clara Zetkin is buried in the Moscow Kremlin walls.