1. On October 18, 1775, a group of colonists in present-day Fort Moultrie on Sullivan's Island, South Carolina, repelled an attack by British forces during the American Revolutionary War. This victory boosted the morale of the American troops and inspired them to continue fighting for their independence.

2. On October 18, 1835, the Bank of the State of South Carolina closed its doors indefinitely due to a financial crisis. The closure sparked widespread panic and economic turmoil throughout the state, and it took several years for the economy to recover.

3. October 18, 1899 marks the birth date of playwright and author, Josephine Pinckney in Charleston, South Carolina. Pinckney was known for her works including Hardscrabble Harvest and Three O'Clock Dinner.

4. On October 18, 1951, George Elam, an African-American man from Aiken, South Carolina, was fatally shot by a white police officer. The incident sparked outrage in the local black community and became a catalyst for civil rights activism in the region.

5. On October 18, 1991, Hurricane Grace made landfall in South Carolina, causing significant damage along the coast and leaving thousands without power. Despite its relative weakness, the storm was memorable for its unusual path and timing, striking the state in the middle of October rather than during the typical hurricane season.