1. The Stono Rebellion began on July 27, 1739. It was one of the largest slave uprisings in colonial America and occurred near Charleston. A group of about 20 slaves gathered at the Stono River and marched south, killing white colonists and freeing other slaves along the way. The rebellion was eventually suppressed by white militias, and the slaves who participated were executed or sold into the Caribbean.

2. The USS Hunley, the first submarine to sink a ship in combat, was discovered on July 27, 1995, off the coast of Charleston. The Confederate submarine sank the USS Housatonic in 1864 before disappearing with all eight crew members, making it the first submarine to successfully sink an enemy ship in over a century.

3. The Greenville and Columbia Railroad, the first railroad in South Carolina, opened on July 27, 1853. The railroad connected the cities of Greenville and Columbia, providing transportation for both goods and people.

4. The South Carolina Governor's School for Science and Mathematics, a public, residential high school for academically gifted students, was founded on July 27, 1988. The school is located in Hartsville and has consistently been ranked as one of the top high schools in the nation.

5. The Civil War battle of Battery Wagner took place on July 27, 1863, on Morris Island near Charleston. The Confederate-held battery was bombarded by Union forces as part of an effort to take control of Charleston Harbor. The attack was unsuccessful and the Union forces suffered heavy casualties. The battle was later depicted in the movie "Glory," which won three Academy Awards.