Timeline of women in war in the United States, pre-1945

This is a timeline of women in warfare in the United States up until the end of World War II.

Historian Elizabeth D. Leonard writes that, according to various estimates, between 500 and 1,000 women enlisted as soldiers on both sides of the American Civil War, disguised as men.

[35]: 165, 310–311 Women also served as spies, resistance activists, nurses, and hospital personnel.

Female assigned at birth soldiers on both sides wear male clothing in order to serve; some of them, such as Albert Cashier, may have been transgender men.

By the end of the war, over 500 fully paid positions were available to women as nurses and in the United States Military.