Emperor Gia Long unified Vietnam by conquering Hanoi.
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President Eisenhower stepped in to warn the US not to intervene in Vietnam.
President Gerald Ford declares an end to the 'Vietnam Era.'
The Vietnam War officially ended, for the US at least, after the Paris Peace Accords were signed.
The Empire of Japan established the Empire of Vietnam, which acted as a puppet state to Japan.
North and South Vietnam were formally reunified after more than twenty years of war.