Women Strike for Peace (WSP, also known as Women for Peace) was a women's peace activist group in the United States. In 1961, nearing the height of the Cold War, around 50,000 women marched in 60 cities around the United States to demonstrate against the testing of nuclear weapons. It was the largest national women's peace protest during the 20th century. Another group action was led by Dagmar Wilson, when about 1,500 women gathered at the foot of the Washington Monument while President John F. Kennedy watched from the White House. The protest helped "push the United States and the Soviet Union into signing a nuclear test-ban treaty two years later". Due to the time period the group's leaders had been raised, between the First-wave feminism and the Second-wave feminism movements, their act