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Declaration of Independance was created.
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George Washington became first President of the United States.
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The war of 1812 started.
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The Civil War started between the Union and Confederates.
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All the slaves were freed.
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World War 1 started.
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World War 2 starts.
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World War 2 ends.
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Neil Armstrong was the first man to touch the moon.
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The first earth day was observed.
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The National Environmental Policy Act was signed into law.
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The United States Department of Health and Human Services was established.
