Today is National Florida Day! Florida contains over 400 years of U.S. history. It was the 27th State to unite with the USA in 1845 but its history is longer; it contains the oldest European-settled city in the U.S. Florida is nicknamed The Sunshine State because of its sunny climate and natural, lush beauty. The state houses over 20 million people and is the THIRD most populous state in the USA. Celebrate the natural wonder of Florida today!