North and South Vietnam were formally reunified after more than twenty years of war.
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The Battle of Khe Sanh begins.
Nick Út takes his famous 'napalm girl' photo.
Hubert van Es takes the famous picture of a helicopter airlift from a Saigon rooftop.
Eddie Adams takes one of the Vietnam War's best-known pictures.
The Vietnam War officially ended, for the US at least, after the Paris Peace Accords were signed.
