Send a Quote Enter a brief message. SendOk2 “I freed thousands of slaves. I could have freed thousands more if they had known they were slaves.” ~ Harriet Tubman [Araminta Ross] (c.1820-1913) African-American abolitionist, humanitarian, and Union spy during the U.S. Civil War. After escaping from captivity, she made thirteen missions to rescue over seventy slaves using the network of antislavery activists and safe houses known as the Underground Railroad.Source: Attributed to Tubman in Dorothy Winbush Riley, My Soul Looks Back 'Less I Forget p. 148 (1993). c.1865