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About Dallas, TX

Preceded by thousands of years of varying cultures, the Caddo people inhabited the Dallas area before Spanish colonists claimed the territory of Texas in the 18th century as a part of the Viceroyalty of New Spain. Later, France also claimed the area but never established much settlement. Overall, six flags have flown over Texas; one additional nation flag, Mexico, the Republic of Texas flag, the Confederacy flag and the United States of America flag. In 1819, the Adams-Onís Treaty between the United States and Spain defined the Red River as the northern boundary of New Spain, officially placing the future location of Dallas well within Spanish territory. The area remained under Spanish rule until 1821, when Mexico declared independence from Spain, and the area was considered part of the Mexican state of Coahuila y Tejas.