1. On January 21, 1827, the first newspaper in Florida, the "Florida Gazette," was published in Tallahassee. It was later renamed to "The Floridian."

2. In 1861, Florida seceded from the United States and joined the Confederacy. This decision was made on January 10, but it was not officially recognized by President Lincoln until January 21.

3. On January 21, 1865, the Battle of Natural Bridge occurred near Tallahassee. This was the last battle fought in Florida during the Civil War, and it ended with a victory for the Confederacy.

4. On January 21, 1977, President Jimmy Carter visited Eglin Air Force Base in Florida to announce a new arms control initiative with the Soviet Union. The plan, known as the Strategic Arms Limitation Talks (SALT II), aimed to reduce nuclear weapons and limit their use.

5. In 2017, women across Florida and the United States participated in the Women's March on Washington to protest President Donald Trump's inauguration. The march in Florida took place on January 21 and was attended by tens of thousands of people in cities like Miami, Orlando, Tampa, and Jacksonville.