PRAGUE, Czechoslovakia—Warsaw Pact tanks invade Prague, Aug. 21, 1968.
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PRAGUE, Czechoslovakia—Warsaw Pact tanks invade Prague, Aug. 21, 1968.
PRAGUE, Czechoslovakia—Warsaw Pact tanks invade Prague, Aug. 21, 1968.
PRAGUE, Czechoslovakia—Warsaw Pact tanks invade Prague, Aug. 21, 1968.