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  Abraham Licoln was shot at Ford's Theater in Washington D.C. by John Wilkes Booth.
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  Ford introduced methods for large-scale manufacturing of cars and large-scale management of an industrial workforce using elaborately engineered manufacturing sequences typified by moving assembly lines. Henry Ford's methods came to be known around the world as Fordism by 1914.
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  This conflict involved all of the world's great powers.
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  US Declared war on Germany on this date. World War I ended in 1919
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  This was a period of severe dust storms causing major ecological and agricultural damage to American and Canadian prairie lands from 1930 to 1936.
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  He was assassinated in Dallas, Texes. Lee Harvey Oswald was charged with the crime but was shot and killed two days later.
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  He stepped on the moon then said the famouse words "That's one small step for man, one giant leap for mankind."
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  The shuttle broke apart 73 seconds into its launch killing all seven passengers
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  Two planes crashed into the World Trade Center.
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  Hurricane Katrina hit New Orleans