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The Thirteen Colonies declare their independence from Britain on July 4, marking the birth of the United States.
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The Treaty of Paris was signed, officially ending the war and recognizing American independence.
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Delegates meet in Philadelphia to draft the U.S. Constitution, establishing the framework for the federal government.
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The U.S. acquires a vast territory from France, doubling the size of the nation and expanding westward.
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Conflict between the United States and Britain, often considered a second war for independence.
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An agreement that allowed Missouri to enter as a slave state and Maine as a free state, aiming to maintain the balance of power in Congress.
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Legislation signed by President Andrew Jackson facilitating the relocation of Native American tribes to lands west of the Mississippi River.
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In 1845, Texas became part of the United States after being an independent country. This caused tension with Mexico and led to a war.
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A series of laws aimed at resolving disputes between slave and free states, including the controversial Fugitive Slave Act.
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Lincoln's election as the first Republican president prompts Southern states to begin secession, setting the stage for the Civil War.