Dallas
City in Texas, United StatesDallas is a city in the U.S. state of Texas and the most populous city in the Dallas–Fort Worth metroplex, the most populous metropolitan area in Texas and the fourth-most populous metropolitan area in the United States at 7.5 million people. It is the most populous city in and seat of Dallas County with portions extending into Collin, Denton, Kaufman, and Rockwall counties. With a 2020 census population of 1,304,379, it is the ninth-most populous city in the U.S. and the third-most populous city in Texas after Houston and San Antonio. Located in the North Texas region, the city of Dallas is the main core of the largest metropolitan area in the Southern United States and the largest inland metropolitan area in the U.S. that lacks any navigable link to the sea.
- 1819The Adams–Onís Treaty between the United States and Spain defines the Red River as the northern boundary of New Spain, placing the future location of Dallas within Spanish territory.
- 1821Mexico declares independence from Spain; the area becomes part of the Mexican state of Coahuila y Tejas.
- 1836Texians gain independence from Mexico and form the Republic of Texas.