Women have played a role in major combats throughout history.
Defense Secretary Leon Panetta is expected to lift the U.S. military ban on women in combat. Look back at the history of women in the military and the important roles they have played in conflicts worldwide.
Enrique Castro-Mendivil / Reuters
St. Louis nearly burns to the ground, the first Kentucky Derby is held, the Supreme Court strikes down segregated schools, the Senate Watergate Committee begins televised hearings, and same-sex marriages begin in Massachusetts, all on this day.