1. The Battle of Kings Mountain: October 4, 1780 marked a major turning point in the American Revolutionary War in South Carolina with the Battle of Kings Mountain. It was a significant victory for Patriot militia over the Loyalist militia led by British Major Patrick Ferguson, and contributed to a major shift in momentum towards the Patriot cause.

2. Charleston Earthquake: On October 4, 1886, one of the most devastating earthquakes to hit the United States struck Charleston, South Carolina. The 7.3 magnitude quake caused significant damage to buildings and infrastructure, and resulted in 60 deaths.

3. Founder's Day: October 4 is celebrated as Founder's Day at South Carolina State University (SCSU), a historically black university in Orangeburg. Founders' Day commemorates the establishment of the school in 1896 and honors the legacy of the founders and early leaders of the university.

4. Gervais Street Bridge opens: One of the most iconic landmarks in Columbia, South Carolina, the Gervais Street Bridge opened on October 4, 1928. The bridge spans the Congaree River and connects the cities of Columbia and West Columbia.

5. Clemson University: Clemson University, located in Clemson, South Carolina, was founded on October 4, 1889 as the Clemson Agricultural College of South Carolina. The university has since grown into a leading research institution and has earned national recognition for its academic programs, athletics, and innovative research initiatives.