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On this date, the Declaration of Independance was signed and America declared freedom from Great Britain.
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On this date, the Articles of Confederation were adopted and used by the United States
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The British surrendered and the United States became their own country.
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The people involved in Shay's rebellion attacked the Springfield armory.
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On this date, the Constitutional Convention, which is the time that we debated and wrote the constitution, started
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It was the day that the Constitution was approved.
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On this date, the bill of rights was ratified.
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On this date, the cotton gin, which cleaned cotton, was invented.
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On this date, the Lewis and Clark expedition began.
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On this date, the Lewis and Clark expedition ended.
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On this date, the first mill in the United States was built.
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On this date, the Cherokees were forced to migrate west.
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On this date, gold was discovered at Sutter's mill
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On this date, a peace treaty that gave us about 525,000 square miles of land from Mexico was signed.
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It was the bombardment and surrender of Fort Sumter, near Charlestown, South Carolina, that started the Civil War in America
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It was considered the most important battle of the American Civil War.
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It was a major battle in the Great Sioux War.
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It was an economic collapse that made the economy really bad until it ended.
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That date is just a guess, as the exact date is unknown. Only the year is for sure.
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On this date, the Apollo 11 landed on the moon.
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On this date, terrorists attacked the United States, knocked down the Twin Towers, and killed a lot of people.
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On this date, the world got a million times more awesome because I was born.
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On this date, Barack Obama became the president of the United States.