In September 1838, Frederick Douglass escaped from slavery in Maryland and arrived in New York. He eventually landed in Massachusetts.
He joined the abolitionist movement and started to speak at meetings. He spoke about his experiences living as a slave and was a compelling speaker. He deeply moved people with his story and he soon became a well known abolitionist speaker.
He wrote the story of his life in a book, which became very popular. He eventually bought his freedom from his former slave master. This meant he could not be captured and returned to slavery. He was legally free.
Douglass published an antislavery newspaper, the Northstar, from 1847 to 1860. During the Civil War he was a consultant to President Abraham Lincoln and advocated for arming former enslaved African-Americans to fight for the north and to make the war about ending slavery.