March 1911

Tuesday 07:

Revolution in Mexico.

Wednesday 08:

International Women's Day is celebrated for the first time.

Saturday 25:

In New York City the Triangle Shirtwaist Factory fire kills 146 garment workers.

Wednesday 29:

The M1911 semi-automatic handgun designed by John Browning becomes the standard-issue handgun in the United States Army, and is subsequently widely used in World War I, World War II, and the Korean War.