1. In 1864, Union forces under General William T. Sherman occupied the city of Atlanta during the Civil War. This victory marked a turning point in the war for the Union and set the stage for Sherman's March to the Sea.

2. On July 27, 1976, NASA successfully launched the first geostationary communication satellite, called Intelsat IV-F3, from the Kennedy Space Center. This satellite revolutionized global communication, providing real-time telephone and television coverage around the world.

3. In 1986, the Atlanta Braves retired the jersey number of legendary pitcher and Baseball Hall of Famer Phil Niekro. Niekro spent 21 seasons with the Braves and is known for his signature knuckleball pitch.

4. The Georgia Aquarium, one of the largest aquariums in the world, opened its doors on July 27, 2005. The aquarium features exhibits showcasing marine life from around the world and is home to tens of thousands of animals.

5. On July 27, 2019, the Atlanta United football club won the Campeones Cup, a tournament featuring the top professional soccer teams from the United States and Mexico. Atlanta United defeated Club América in a thrilling 3-2 victory to become the first MLS team to win the tournament.