Harriet Tubman (c. 1820-1913), an escaped Black American slave, was the most famous and successful conductor of the Underground Railroad, helping over 300 blacks to escape slavery from 1849 to 1860, winning her the nickname of "Moses".
- 1849: escapes slavery
- 1849-1860: helps over 300 others to escape slavery
- 1850s: speaks out for the immediate abolition of slavery.
- 1858: helps to find men for John Brown's ill-fated slave uprising.