* Spanish Rule Ends: The Mexican War of Independence ends, resulting in Texas becoming part of the First Mexican Empire.
* Texas Declares Independence: Stephen F. Austin leads a group of American settlers to Texas, declaring independence from Mexico.
* Stephen F. Austin: Austin was a pioneer and businessman who played a crucial role in the settling of Texas. He led a group of American settlers to the region and negotiated with Mexican authorities for land grants.
* Cattle Industry: The cattle industry expands in Texas as ranchers take advantage of the vast open range.
* Cotton Cultivation: Cotton becomes an important crop in Texas as the demand for cotton increases in the United States and Europe.
* American Settlers: Thousands of American settlers arrive in Texas, attracted by the promise of land and economic opportunity.
* Conflict with Native Americans: American settlers clash with Native American tribes who claim the same land.
The year 1821 marked a significant turning point in the history of Texas. With the end of Spanish rule and the influx of American settlers, Texas set the stage for future conflicts, economic growth, and ultimately, statehood in 1845.