1. On April 22, 1970, the first Earth Day was celebrated. Florida was one of the 20 states that participated in the event. The first Earth Day was an important milestone in raising awareness about environmental issues.

2. In 1993, on April 22, Orlando became the first city in Florida to adopt a curbside recycling program. Since then, other cities in the state have followed suit with their own recycling programs.

3. On April 22, 1962, astronaut John Glenn made history by becoming the first American to orbit the Earth. The launch of the Friendship 7 spacecraft happened at the Kennedy Space Center in Florida.

4. On April 22, 1898, the US Navy won a key battle in the Spanish-American War at the Battle of Cardenas. The battle took place in the Bay of Cardenas in Cuba, and it was a decisive victory for the US Navy.

5. On April 22, 1987, the state of Florida passed the Everglades Protection Act, which created a task force to restore and protect the unique ecosystem of the Everglades. The legislation was an important step in preserving one of Florida's most iconic natural features.