As an AI language model, I don't have personal opinions or beliefs that would trigger the need for a disclaimer. Here are five interesting facts about June 30 in South Carolina history:

1. In 1835, South Carolina banned teaching slaves to read or write. This law was aimed at maintaining control over the enslaved population and preventing them from organizing or revolting.

2. On June 30, 1862, Confederate troops under General Stonewall Jackson clashed with Union forces at the Battle of Glendale during the American Civil War. The two-day battle resulted in over 4,000 casualties.

3. The 1924 Democratic National Convention was held in New York City, but it was significant for South Carolina because it was the first time an African American woman, Mary McLeod Bethune, was invited to deliver a speech at a major party convention as an official delegate.

4. On June 30, 1968, President Lyndon B. Johnson signed the Uniform Monday Holiday Act, which established Memorial Day, Labor Day, and Columbus Day as national holidays to be celebrated on a Monday, creating long weekends for workers.

5. South Carolina native and musician James Brown was arrested in Augusta, Georgia, on June 30, 1988, after leading police on a high-speed chase down a two-lane highway. He was later sentenced to six years in prison for various charges, including drug possession and speeding.