1. In 1847, Florida became the 27th state to join the United States of America on February 21st, marking an important milestone for the state and the country.

2. The famous Kennedy Space Center, which has played a key role in many of America's space programs over the years, was officially opened on February 21st, 1962.

3. In 1913, Thomas Edison visited Fort Myers, Florida for the first time, where he would eventually build his winter home and laboratory. He eventually settled down in Florida permanently and passed away in his home in Fort Myers in 1931.

4. The Winter Party Festival, one of the largest LGBTQ events in the country, takes place every year in Miami Beach, Florida, starting on or around February 21st. The week-long festival features a variety of events and activities, including music, dance, and cultural performances.

5. On February 21st, 1861, Florida became one of several southern states to secede from the United States, joining the Confederacy in the early days of the American Civil War. The state's decision to leave the Union was controversial at the time and helped to set the stage for a long and bloody conflict that would last for several years.