
As North Vietnamese tanks rolled in, the U.S. embassy's rooftop became the iconic image of a superpower's longest war ending in flight.
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After the U.S. withdrawal, North Vietnamese forces advanced rapidly on the South's capital, Saigon, amid collapsing defenses.
The final days saw a frantic evacuation by helicopter of Americans and vulnerable Vietnamese as the city fell.
The communist flag rose over the presidential palace, ending the war and beginning a difficult reunification.
"The last chopper lifted off the rooftop as the city fell. A two-decade entanglement ended not in victory, but in evacuation."
The 1975 collapse of South Vietnam ended the Vietnam War, reunified the country under communism, and sent refugees worldwide. It left deep scars on American politics and the Vietnamese diaspora.
A spring offensive shattered the South's army; Saigon's fall was sudden and total after years of slow erosion.
Images of helicopters lifting off the embassy became the enduring symbol of the war's inglorious end.
The 'boat people' and refugee waves carried Vietnamese communities across the globe, reshaping societies far from home.