Ana María Martínez de Nisser (December 6, 1812 – September 18, 1872) was a Colombian fighter and writer.
[1][2][3] Martínez de Nisser was born in Sonsón, Antioquia in 1812.
[4][3] Eventually, she married a Swedish immigrant, Pedro Nisser.
[5] During the War of the Supremes, she learned that her husband had been captured by rebels.
[3] At age 28, driven both by her desire to rescue her husband and her intense patriotism, she cut her hair, got together a uniform, and volunteered to fight for the government's side; she took part in the Battle of Salamina on 5 May 1841.