Early years Marie-Sophie Nielsen was born in 1875 in the village
Nørre Herlev,
North Zealand.
Political career From 1916 to 1918 Nielsen was a key member of the
Danish Social Democratic Party, sitting on that organization's directing committee. In March 1918, Nielsen was a participant in the establishment of the
Danish Socialist Workers Party, a left-wing offshoot of the
Social Democratic Party, which favored affiliation with the
Communist International. Nielsen became a founding member of the
Communist Party of Denmark (CPD) in 1920. The same year she was a
delegate representing the
Communist Teachers Club to the
2nd World Congress of the Comintern, held in
Petrograd and
Moscow. In 1928 she was expelled by the Communist Party for not supporting the campaign against
Leon Trotsky. Nielsen was readmitted to the CPD in 1932 but was expelled again in 1936.
Death and legacy Marie-Sophie Nielsen died in 1951 in
Copenhagen. ==Footnotes==