Harriet Tubman ( born Araminta Ross ; circa 1822 - March 10 , 1913 ) was an African-American abolitionist , humanitarian , and Union spy during the American Civil War .
Harriet Tubman ( born Araminta Ross ; c. 1820 or 1821 - March 10 , 1913 ) was an African-American abolitionist , humanitarian , and Union spy during the American Civil War .