Harriet Tubman (born Araminta Ross; c. 1820 or 1821 – March 10, 1913) was an African-American anti-slavery worker, and humanitarian. She was also a Union spy and the first black woman to ever lead an American mission during the American Civil War. She was born into slavery but she escaped. During her life, she made nineteen trips. She helped more than 300 slaves escape. She used the Underground Railroad.