“. . . on the first day of January . . . all persons held as slaves within any State, or designated part of a State, the people whereof shall then be in rebellion against the United States shall be then, thenceforward, and forever free.” President Abraham Lincoln, preliminary Emancipation Proclamation, September 22, 1862
President Lincoln issued the preliminary Emancipation Proclamation in the midst of the Civil War, announcing on September 22, 1862, that if the rebels did not end the fighting and rejoin the Union by January 1, 1863, all slaves in the rebellious states would be free.