The event that followed the issuance of the Emancipation Proclamation was the Battle of Gettysburg.

Issued by President Abraham Lincoln on January 1, 1863, the proclamation declared the freedom of slaves in Confederate states. The Battle of Gettysburg, fought from July 1 to July 3, 1863, was a pivotal turning point in the Civil War, representing a significant Union victory. This battle not only halted the Confederate invasion of the North but also reinforced the moral imperative of the war, linking the fight for freedom with the Union cause.