In 1860, South Carolina quit the United States because its citizens were in favor of slavery and President Lincoln was not. The Civil War started a year later.
Abraham Lincoln issues Emancipation Proclamation, declaring slaves in Confederate states to be free.
1863 · The Battle at Gettysburg
The Battle of Gettysburg involved the largest number of casualties of the entire Civil war and is often described as the war's turning point. Between 46,000 and 51,000 soldiers lost their lives during the three-day Battle. To honor the fallen soldiers, President Abraham Lincoln read his historic Gettysburg Address and helped those listening by redefining the purpose of the war.
1 English: topographic name from Middle English dene ‘valley’ (Old English denu), or a habitational name from any of several places in various parts of England named Dean, Deane, or Deen from this word. In Scotland this is a habitational name from Den in Aberdeenshire or Dean in Ayrshire.2 English: occupational name for the servant of a dean or nickname for someone thought to resemble a dean. A dean was an ecclesiastical official who was the head of a chapter of canons in a cathedral. The Middle English word deen is a borrowing of Old French d(e)ien, from Latin decanus (originally a leader of ten men, from decem ‘ten’), and thus is a cognate of Deacon .3 Irish: variant of Deane .