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Actor and Confederate sympathizer John Wilkes Booth shoots and mortally wounds U.S. President Abraham Lincoln -
George Washington leads Continental Army to fight against British rule -
the American Revolution’s pursuit of liberty was made meaningful by the founding document of the great American experiment in democracy. -
the Founding Fathers laid down the law by which the new country would be governed in the elegantly crafted Constitution -
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The new United States of America ratified the Bill of Rights, the first ten amendments to the U.S. Constitution, confirming the fundamental rights of its citizens. -
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conflict fought by the United States of America and its indigenous allies against Great Britain and its allies in British North America
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war between the United States and Mexico (April 1846–February 1848) stemming from the United States’ annexation of Texas in 1845
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Opponents of slavery, or abolitionists, set up Republican Party. -
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President Lincoln issues the second executive order of the Emancipation Proclamation, specifying ten Confederate states in which slaves were to be freed. -
General Robert E. Lee surrenders to Grant at Appomattox Court House, effectively ending the Civil War. -
The American entry into World War I came in April 1917, more than two and a half years after the war began in Europe. -
Women given the right to vote under the Nineteenth Amendment. -
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More than 13 million people are unemployed after the Wall Street stock market crash of 1929 triggers the Great Depression.
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Japanese warplanes attack US fleet at Pearl Harbour in Hawaii, leading to US joining World War II against the Axis powers. -
On August 6, 1945, during World War II (1939-45), an American B-29 bomber dropped the world’s first deployed atomic bomb over the Japanese city of Hiroshima. The explosion immediately killed an estimated 80,000 people -
The Cold War had solidified when U.S. aid provided under the Marshall Plan to western Europe had brought those countries under American influence and the Soviets had installed openly communist regimes in eastern Europe. -
US compels Soviet Union to withdraw nuclear weapons from Cuba in what has become known as the Cuban missile crisis. -
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Co-ordinated suicide attacks by al-Qaeda terror group prompts the US to embark on a ''war on terror'' that includes invasions of Afghanistan and Iraq.