Ole Monsen Mjelde (12 September 1865 â 7 March 1942) was a Norwegian politician of the Liberal Party who served as the Minister of Labour 1920, 1921âÂÂ1923, 1924âÂÂ1926, 1928âÂÂ1931 and 1933âÂÂ1935, and also as head Ministry of Provisioning in 1921.