1. On September 21, 1780, the Battle of Charlotte took place during the Revolutionary War. The British Army, led by General Cornwallis, attempted to raid Charlotte, but were met with resistance from the Patriot militia.

2. In 1864, General William T. Sherman and his Union troops captured Atlanta, Georgia on September 2p, which would prove to be a pivotal moment in the Civil War. This victory solidified President Abraham Lincoln's chances for reelection in the upcoming presidential election.

3. On September 21, 1942, the South Carolina Shipbuilding Corporation launched its first Liberty ship from its shipyard in Charleston. These Liberty ships were crucial to the Allied war effort during World War II, and the Charleston shipyard played a significant role in their construction.

4. In 1989, Hurricane Hugo struck the South Carolina coast on September 21, causing widespread devastation across the region. The storm caused over $10 billion in damage and resulted in over 30 fatalities.

5. On September 21, 2016, the International African American Museum broke ground in Charleston. The museum will showcase the role that African Americans have played in shaping the history of the United States, with a particular focus on the history of slavery and the struggle for civil rights.