The Women's International League for Peace and Freedom (WILPF) is a non-profit non-governmental organization working "to bring together women of different political views and philosophical and religious backgrounds determined to study and make known the causes of war and work for a permanent peace" and to unite women worldwide who oppose oppression and exploitation. WILPF has national sections in 37 countries.
WILPF is headquartered in Geneva, Switzerland and maintains a United Nations office in New York City.
WILPF developed out of an International Women's Congress against World War I that took place in The Hague, Netherlands, in 1915; the name WILPF was not chosen until 1919. The first WILPF president, Jane Addams, had previously founded the Woman's Peace Party in the United States, in January 1915, this group later became the US section of WILPF. Along with Jane Addams, Marian Cripps and Margaret E. Dungan were also founding members. As of 1920 the US section of WILPF was headquartered in New York City.Marian Cripps, Baroness Parmoor, who later served as president of its British branch.
Furthermore, Women’s international league for peace and freedom opposed to wars and international conflicts. Since it is an undeniable fact that wars will violate individual’s peace and freedom, the league organised and took formal actions to end the war. The major movements of the league are open letter to UN secretary general to formally end the Korean War, International day for the total elimination of nuclear weapons and statement on weapons, gender-based violence and women human rights defenders. As the league is consisted of women, concentrated professionals are allowed to improve the current issues related to women and people.