Why did Mexico encourage settlement of Americans in Texas? Why did the Americans chafe under Mexican rule? Find out how this led to the Texas Revolution and the declaration of Texas as an independent country.

These reprinted letters show actual correspondence and tell the story of the fall of the Alamo in early nineteenth century Texas.

Interactive and animated maps and timelines of historical events and time periods in American history from pre-European times until post-World War II.

A detailed description of the Convention of 1836, a meeting of elected delegates in Washington-on-the-Brazos, Texas shortly after the Texas Revolution began.

This online lesson plan shows students through primary sources how the borders of the U.S. changed in just a few years. They are asked to analyze maps and use map skills. All maps and worksheets are included as well as additional resources.

One-page profile of influential innovator, Samuel Colt, whose vision and ideas created the revolving pistol that was later used in the Mexican American War and the Texas Revolution.

A map of the United States showing the growth of the nation from 1776-1867. The map is color-coded to show the thirteen original states, the territory acquired by conquest during the revolution and the Treaty of 1783, the Louisiana...

A map of the United States showing the growth of the nation from 1783-1867. The map is color-coded to show the thirteen original states, the territory acquired by conquest during the revolution and the Treaty of 1783, the Louisiana...

A map from 1911 of the United States showing the territorial acquisitions from the original states and territory established in 1783 to the Tripartite Convention of 1899 in which Germany and the United States divided the Samoan...