1. On September 23, 1779, American troops under the command of General John Sullivan attacked and defeated British forces at the Battle of Flamborough Head, near present-day Savannah. The victory helped to strengthen the American position in the South during the Revolutionary War.

2. September 23, 1819, marked the founding of the University of Georgia, the oldest public university in the United States. The university was established by the Georgia General Assembly in Athens, Georgia, and has since grown to become a leading research institution.

3. The first Cotton States and International Exposition opened in Atlanta on September 23, 1895. The event showcased the advancements in agriculture, industry, and technology of the South, and was attended by over 800,000 people.

4. On September 23, 1957, nine African-American students enrolled at Little Rock Central High School in Arkansas were barred from entering the school by National Guard troops, sparking a large civil rights movement throughout the country, including in Georgia.

5. The Atlanta Falcons won their first-ever regular season game on September 23, 1966, defeating the San Francisco 49ers 39-31. This marked the beginning of the team's storied history, which includes multiple Super Bowl appearances and a passionate fan base.