1. Revolutionary War Battle of Blackstocks - On September 18, 1780, the Patriot army led by Thomas Sumter clashed with the British army led by Banastre Tarleton in the Battle of Blackstocks. The Patriots ended up winning the battle thanks to their superior tactics and knowledge of the terrain.

2. The Signing of the Constitution - On September 18, 1787, delegates to the Constitutional Convention signed the United States Constitution in Philadelphia. This document laid the groundwork for the federal system of government that we have today.

3. Hurricane Hugo Strikes South Carolina - On September 18, 1989, Hurricane Hugo made landfall near Charleston, South Carolina. The Category 4 hurricane caused widespread damage across the state, with winds gusting up to 135 mph and storm surge flooding in coastal areas.

4. Central Railway & Electric Co. Incorporation - On September 18, 1901, the Central Railway & Electric Co. was incorporated in South Carolina. This company operated interurban electric railways and trolley lines in cities across the state until the mid-1920s.

5. Andrew Jackson's Birthplace - On September 18, 1767, future United States President Andrew Jackson was born in the Waxhaws region of the Carolinas, which is now located in modern-day South Carolina. Jackson became a national hero following his victories at the Battle of New Orleans and the First Seminole War.