1. On June 21, 1898, the Georgia General Assembly passed an act creating the State Board of Entomology, making Georgia the first state to create such a board. The board was tasked with studying and researching insect pests and diseases that affected crops in the state.

2. In 1905, on June 21, the Atlanta Constitution reported on an unusual weather event in which a huge hailstone fell in Johnson County, weighing over two pounds. The hailstone was recorded as being the largest ever recorded in the state up to that point.

3. June 21, 1948 saw the dedication of the Tallulah Gorge State Park in Rabun County. The park encompasses the Tallulah Gorge, a breathtaking canyon that features several waterfalls and is over 1,000 feet deep.

4. On June 21, 1964, the Georgia Historical Commission placed a historical marker in Atlanta commemorating the publication of the Emancipation Proclamation by President Abraham Lincoln on January 1, 1863. The marker is located at the corner of Auburn Avenue and Bell Street.

5. In 1971, on June 21, racial tensions in the city of Augusta led to a riot that resulted in the deaths of six people and caused over $1 million in property damage. The riot began following the shooting of a 16-year-old Black boy who had been accused of stealing a motorcycle.