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Christopher Columbus on an island in what is now the Bahamas, "discovering" the New World.
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English settlers established colony at Jamestown, VA.
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Massachusetts colonists costume as Indians dump tea into Boston Harbor to protest on British taxes
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The Continental Congress adopts the Declaration of Independence.
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A convention of delegates in Philadelphia approves what will become the U.S. Constitution
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George Washington is elected as the first U.S. president.
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Thomas Jefferson becomes the third president of the United States.
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Andrew Jackson is inaugurated as the seventh U.S. president.
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The first telegraph message "What hath God wrought?" is sent between Washington and Baltimore using morse code.
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The Mexican War begins between Mexico and the U.S. over the United States' annexation of Texas