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  4 students killed in a anti-veitnam war protest
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  The 26th amendment allowed 18 year old people to vote. It was passed because people dieing for their country (in Vietnam) couldn't vote.
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  David Scott was the first person to drive on the moon
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  Nixon accepts the responsibility for authorising the watergate
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  Ford is sworn in after Nixon resigns(the first president to do so) from presidency
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