Cika wannan jumla: A cikin martani ga Prague Spring, a ranar 20 ga Agusta 1968, Sojojin Soviet, tare da mafi yawan abokansu na Warsaw Pact,
sun mamaye Czechoslovakia. mamayewa ya biyo bayan ƙaura, gami da kimanin Czechs da Slovaks 70,000 da suka fara gudu, tare da jimillar ƙarshe ya kai 300,000. Harin ya haifar da zanga-zangar ta'addanci daga Yugoslavia, Romania, China, da kuma daga jam'iyyun kwaminisanci na Yammacin Turai.