Spain, in 1500s. St. Augustine was the first permanent European settlement in North America. Spain lost the colony to Britain in 1763 but regained it after the American Revolution.
Do you mean BEFORE 1763 or (conjecturally) AFTER 1763
La Salle claims Louisiana for France.
Spain
Mexico
The US and Russia.
The initial European power that claimed the Florida peninsula was Spain. Spain ceded it to the United States and it became a state in 1845.
The English Claimed Florida controlled the entire east coat while Spain got modern day new Orleans and Louisiana
West Florida was created in 1763.
Spain claimed the territory of Florida
Florida was under British control from 1763 to 1783. It was under Spanish control until 1763, and it returned to Spanish control in 1783.
The proclamation of 1763