1. The Solar Eclipse - On August 21, 2017, a total solar eclipse occurred in North America, with the path of totality passing through Georgia. Residents and visitors gathered in various locations across the state to witness the rare phenomenon.

2. Emancipation Day - August 21 is recognized as Emancipation Day in Georgia, commemorating the day in 1831 when the state legislature passed a law ending slavery. However, the law did not actually take effect until five years later with the ratification of the state constitution.

3. Civil Rights Activist - On August 21, 1952, the civil rights activist and musician Ray Charles made his professional debut at the Hill Auditorium in Ann Arbor, Michigan. Although he was not born in Georgia, Charles spent much of his career performing and recording in the state.

4. Military History - On August 21, 1864, the Battle of Griswoldville occurred near Macon, Georgia, during the American Civil War. The Confederate forces suffered a major defeat and lost approximately 750 men, while Union troops only lost about 60.

5. Sports History - On August 21, 1938, Atlanta hosted the first Major League Baseball game played at night in the Southeastern United States. The game featured the Cleveland Indians and the Brooklyn Dodgers and was held at the recently constructed Ponce de Leon Park.