French Louisiana refers to the region of the United States that was originally part of the French colonial territory in North America. This area, which included parts of present-day Louisiana, Mississippi, Alabama, and Arkansas, was established in the early 18th century. The French influence is evident in the culture, language, and cuisine of the region, particularly in the city of New Orleans. In 1803, the United States acquired French Louisiana through the Louisiana Purchase, which doubled the size of the nation. The territory was known for its diverse population, including French settlers, African slaves, and Native American tribes. This blend of cultures contributed to the unique heritage of the region, making it a significant part of American history.