1. In 1934, a severe storm hit the Florida Keys and caused a deadly train derailment, killing more than 260 people. This event remains the deadliest natural disaster in Florida's history.

2. On April 21, 1980, the city of Miami Beach officially banned discrimination based on sexual orientation, making it one of the first cities in the United States to do so.

3. The Sunshine Skyway Bridge, a major landmark and transportation route in Florida, was opened on April 21, 1987. The bridge spans Tampa Bay and is the largest cable-stayed concrete bridge in the world.

4. In 1990, the first Earth Day celebration was held at Disney's Epcot Center in Florida. This event attracted thousands of visitors and helped raise awareness about environmental issues.

5. On April 21, 2000, the Florida Supreme Court ruled that a state law banning gay adoption was unconstitutional. This decision paved the way for same-sex couples to adopt children in Florida.