1. In 1842, the United States signed the Treaty of Payne's Landing with the Seminole Indians in Florida, which called for their removal to Indian Territory (present-day Oklahoma). However, many Seminoles resisted and the conflict known as the Second Seminole War continued until 1842.

2. In 1935, a category 5 hurricane known as the Labor Day Hurricane struck the Florida Keys, causing immense damage and claiming more than 400 lives. It remains the strongest hurricane on record to have made landfall in the United States.

3. On September 3, 1969, the Walt Disney Company announced plans to build Disney World in Florida, which would become one of the biggest and most popular theme parks in the world.

4. In 1998, the U.S. Postal Service issued a stamp commemorating Marjory Stoneman Douglas, a pioneering environmental activist and author who fought to protect the Florida Everglades.

5. In 2004, Hurricane Frances made landfall on the east coast of Florida, causing significant damage to buildings and infrastructure. It was followed just weeks later by Hurricane Jeanne, which caused further devastation and led to several billion dollars in damages.