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  U.S. refuses to sign Geneva Accords.
 Importance: U.S. will not cease fire. Agrees to give aid to Diem
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  Importance: U.S. becomes South Vietnam ally.
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  Importance: First American casualties
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  Importance: Recognition that fighting the war will be complex and difficult.
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  Importance: South Vietnam loses leader, U.S. loses ally.
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  Importance: U.S. motivated to bomb targets in North Vietnam and officially enter the war.
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  Importance: Over 200,000 U.S. troops overseas
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  Importance: Vietnamese women and children killed; launches U.S. military investigation.
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  Importance: Nixon withdraws 25,000 troops
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  Importance: Ho Chi Minh Kiled
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  Importance: The war may end soon.
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  Importance: North Vietnam loses 1,300-1,500
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  Importance: The war may really be ending.
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  Importance: War officially ends
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