The Battle of Antietam was a major battle fought during the American Civil War. It took place on September 17, 1862, near the town of Sharpsburg, Maryland. That is why this battle is also known as the Battle of Sharpsburg. The battle lasted for two days and is considered to be one of the bloodiest battles in American history. During this battle, over 23,000 soldiers were killed, wounded, or missing, making it the deadliest day in the entirety of American history.

The Battle of Antietam was fought between the Union Army, led by General George G. Meade, and the Confederate Army, led by General Robert E. Lee. The Union Army had just 87 days of experience fighting as a cohesive unit and they were facing an enemy that had over 100 days of experience in combat. The battle began with an attack by the Confederate Army on a small town near Sharpsburg, Maryland called Antietam.

The Union Army was able to repel the initial Confederate attack, but it quickly became clear that the Confederate Army was outnumbered and outgunned. Despite this, the Confederate Army continued their attacks on the Union Army for two days, causing widespread devastation. The battle ended with a stalemate, with neither side able to gain the upper hand.

While the Union Army emerged victorious, the Confederate Army suffered a heavy defeat and was forced to retreat to Virginia. This victory gave the Union Army a much-needed boost and helped turn the tide of the war in their favor.

It is estimated that over 23,000 soldiers were killed, wounded, or missing during this battle. This number is equivalent to about 1% of the Union Army, which gives you an idea of how violent this battle was.

The tactics used in this battle were also innovative and groundbreaking. The Union Army made heavy use of rifled muskets and sharpshooters, which proved to be extremely effective. Additionally, the Union Army made extensive use of artillery, which helped them repel the Confederate attacks.

The Battle of Antietam was a significant event in American history, and its impact can still be felt today. The battle is remembered as a turning point in the American Civil War, and it continues to be studied by historians and military strategists.