1. The Battle of Port Royal took place on March 4, 1862, during the American Civil War. The Union Navy, under the command of Samuel F. Du Pont, defeated the Confederates and gained control of Port Royal Sound in South Carolina.

2. On March 4, 1913, Susan Pringle Frost founded the Society for the Preservation of Old Dwellings in Charleston, South Carolina. This organization helped to protect historic homes and buildings in the city, which has since become a popular tourist destination.

3. In 1950, South Carolina Governor Strom Thurmond signed the Highway Beautification Act on March 4. This was the first state law in the country to regulate outdoor advertising and litter control along the highways.

4. On March 4, 1965, the Rev. Dr. Martin Luther King Jr. led a march in Selma, Alabama, for voting rights. This event marked a turning point in the Civil Rights Movement and inspired similar protests in South Carolina and other states.

5. March 4, 2014, marked the inauguration of South Carolina Governor Nikki Haley for her second term in office. She was the first female and first minority governor of the state and served from 2011 to 2017.