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Mountain men begin to explore the west and create trails going westward for pioneers.
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Stephen Austin starts colony and attracts around 300 settlers known as the "Old Three Hundred"
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Mexico becomes free from Spanish rule.
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Joseph Smith founds the Mormon Church.
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Austin travels to Mexico City to request better conditions for Americans in Texas. President Santa Anna finds out that if he did not agree Austin would support Texas breaking away from Mexico, and arrests Austin.
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180 volunteers nearly defend the small Alamo fort and kill over 1,000 Mexican Soldiers, but cannot defend the fort after running out of ammunition.
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A meeting at a settlement decides to declare Texas an independent state and chooses that Houston is the General.
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Texan Army advances to San Jacinto and destroy half of the Mexican Army, Santa Anna signs a treaty to give Texas freedom.
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United States and Britain fight over who owns Oregon and split the region to create the boarder between United States and Canada later in American history.
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President James Polk was commited to the expansion of America and wanted America to spread coast to coast.
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United States Congress admitts Texas as a slave state.
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Mexican soldiers cross Rio Grande and ambush an American patrol and start the war between America an Mexico.
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Winfield Scott leads forces into Mexico and capture Mexico City ending the war in the United States' favor.
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James Marshall spots gold in a river in California.
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Pioneers from all over the East Coast, Europe, and Asia travel to the Sierra Nevada Mountains to find gold in the rivers.
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California is admitted as a free state into the United States.
