The American city of Jacksonville Was founded in 1822, shortly after the United States gained Florida from Spain. It was named after Andrew Jackson. In present times, Jacksonville is the largest city in all of Florida. It has many succesfull sports teams such as the Jacksonville Jagaurs (football), the Jacksonville Jumbo Shrimp (baseball), Jacksonville Armada (soccer), and Jacksonville Icemen (Hockey). The city is well known for its breathtaking St. Johns River. Jacksonville has the largest urban park system in the nation. It has over 800,000 acres of parks. The city is beautiful and is a great place to visit.