Short answers, pulled from the story.
Frederick Douglass was an American social reformer, abolitionist, orator, writer, and statesman, regarded as the most important leader of the movement for African-American civil rights in the 19th century. Born into slavery as Frederick Augustus Washington Bailey, he escaped from Maryland in 1838 and became a national leader of the abolitionist movement.
Frederick Douglass was born into slavery in February 1818 in Talbot County, Maryland, on the Eastern Shore of the Chesapeake Bay. He never knew the exact date, so he chose to celebrate February 14 as his birthday, remembering that his mother called him her Little Valentine.
Frederick Douglass escaped on the 3rd of September 1838, by boarding a northbound train out of Baltimore dressed in a sailor's uniform and carrying a free Black seaman's identification papers, both provided by Anna Murray. He traveled through Wilmington and Philadelphia to New York City, and the entire journey took less than 24 hours.
Frederick Douglass wrote three autobiographies: Narrative of the Life of Frederick Douglass, an American Slave in 1845, My Bondage and My Freedom in 1855, and Life and Times of Frederick Douglass, first published in 1881 and revised in 1892. The 1845 Narrative became a bestseller and was reprinted nine times within three years.
Frederick Douglass broke with William Lloyd Garrison around 1847 over how to read the U.S. Constitution. Garrison held that the Constitution was pro-slavery and even burned copies of it, while Douglass came to argue that the Constitution could and should be used as an instrument in the fight against slavery.
Frederick Douglass was the first person of color named United States Marshal for the District of Columbia, confirmed by the Senate on the 17th of March 1877, and later served as Recorder of Deeds. In 1889 he was appointed minister resident and consul-general to Haiti, and in 1872 he became the first African American nominated for Vice President, as Victoria Woodhull's running mate.
Frederick Douglass died of a heart attack on the 20th of February 1895, shortly after returning home from a meeting of the National Council of Women in Washington, D.C., where he had received a standing ovation. He was either 76 or 77, since his exact birth year is unclear, and his funeral was held at the Metropolitan African Methodist Episcopal Church.