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1620 They also started early in Plymouth and Massachusetts.
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1776 American colonists declared their independence which led to the Revolutionary War.
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1783 After several yearsoof fighting, Great Britian recognized American Independence
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1787 55 delegates met in Philadelphia to change the Articles. Instead, they decided to write a constitution for an entirely new National Government.
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1803 The country doubled in size when president Thomas Jefferson purchased the vast Louisiana Territory from France.
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1820 The United States also gained Florida from Spain and part of the Oregon Territory from Britian
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1607 The colonists started early settlements in Jamestown, Virginia
Thecolonists started early settlments in Jamestown, Virginia.