July 4 parade sparked Hamburg Massacre in South Carolina - The Washington Post

On July 4, 1876, in Hamburg, S.C., about 40 members of the local all-Black unit of the state militia paraded down Main Street to celebrate the centennial of America's independence. At about 6 p.m., two young White men in a horse-drawn buggy rode toward the troops and demanded to pass through...

https://www.washingtonpost.com/history/2022/07/04/hamburg-massacre-july-4/