September 17: Constitutional Convention adopts U.S. Constitution in Philadelphia.
February 25: Cheyney College, the first historically black college, is established in Pennsylvania.
November: Massachusetts Supreme Court decides Roberts v. City of Boston.
March 3: U.S. War Department establishes the Freedmen's Bureau.
April 6: Civil Rights Act of 1866 granting citizenship to blacks is passed over President Andrew Johnson's veto.
July 20: Fourteenth Amendment to the U.S. Constitution ratified.
April 14: U.S. Supreme Court decides Slaughterhouse Cases.
March 1: President Grant signs the Civil Rights Act of 1875.