Mátyás Rákosi ([ˈmaːcaːʃ ˈraːkoʃi]; born Mátyás Rosenfeld; 9 March 1892 – 5 February 1971) was a Hungarian communist politician who was the de facto leader of Hungary from 1947 to 1956. He served first as General Secretary of the Hungarian Communist Party from 1945 to 1948 and then as General Secretary (later renamed First Secretary) of the Hungarian Working People's Party from 1948 to 1956.