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  On this date, Japan invades Vietnam.
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  Japan surrenders to allied forces, and Vietnam is declared an independent nation.
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  The Viet Minh begin fighting against French colonial rule.
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  China begins providing the Viet Minh with military advisors and weapons. The United States then pledges $15 million in military aid to France.
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  Vietnam is temporarily divided into North and South at the 17th parallel.
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  The U.S. begins sustained bombing of North Vietnam, called Operation Rolling Thunder.
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  The North Vietnamese and Vietcong forces launched an attack on one hundred South Vietnamese cities and towns.
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  Nixon announces that U.S. troops will attack enemy locations in Cambodia.
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  North Vietnam announces a renewal of the war.
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  North Vietnam launches a massive assult on South Vietnam.
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  The last of the U.S. troops leave Vietnam.
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  The U.S. military begins training South Vietnamese forces.