Karl Hjalmar Branting (November 23, 1860-February 24, 1925) was a Swedish statesman. Prime Minister of Sweden, serving for three separate periods in 1920, 1922-1923, and 1924-1925. As the leader of the Swedish Social Democrats he was the first head of government in the country of that affiliation. As Prime Minister he brought Sweden into the League of Nations and was personally active as a delegate within it. Laureate of the Nobel Peace Prize in 1921.