Name The Year: U.S. 15th Amendment passes, guarantees right to vote regardless of race.?

Questions

Videotapes released showing sunken remains of the Titanic.?

Samuel Colt, invented the Colt Revolver (made men equal), born.?

Edgar Degas, French impressionist painter, born.?

Charles Edward Pickering, pioneer American spectroscopist, born.?

First Women's Rights Convention. Seneca Falls, NY ... featuring the introduction of the first Bloomers.?