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The city of Boston is founded.
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independence of Great Britain.
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The first constitution of the United States.
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George Washington is nominated the first president of the United States of America.
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Washington DC is founded. It is the new capital of the United States.
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The agreement of Oregon is signed between the United States and Great Britain.
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Abraham Lincoln is elected a president.
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War of the Secession.
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The USA enters the Second World War.
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Cristóbal Columbus discovers a New world.
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Two planes smash against the twin towers.
