Käte Duncker

Käte Duncker was a German socialist and feminist who significantly contributed to the early international women's movement. Active in the early 20th century, she was one of the delegates at the 1910 International Socialist Women's Conference in Copenhagen, where she advocated for the establishment of an official International Women's Day to promote women's rights and suffrage. Duncker's efforts helped solidify the date of March 8 as a day of recognition for women's struggles worldwide.