1888 – Baptist women from twelve Southern states met in Richmond, Virginia and formed the Executive Committee of what became known as the Woman’s Missionary Union.
http://www.christianhistoryinstitute.org/today/5/14
Woman’s Missionary Union (WMU) is an auxiliary of the Southern Baptist Convention that was founded in 1888. It is the largest Protestant missions organization for women in the world.
Since its beginning in 1888, WMU has become the largest Protestant missions organization for women in the world, with a membership of approximately 1 million. WMU’s main purpose is to educate and involve adults, youth, children, and preschoolers in the cause of Christian missions.