Sojourner Truth (born Isabella Baumfree, c. 1797 to November 26, 1883) was an African-American abolitionist and women's rights activist best-known for her speech on racial inequalities, "Ain't I a Woman?", delivered extemporaneously in 1851 at the Ohio Women's Rights Convention. Truth was born into slavery but escaped with her infant daughter to freedom in 1826
Via Biography.com