ocr: THE FALL OF COMMUNISM OVERVIEW INTRODUCTION OVERVIEW COLD WAR SOVIET UNION 3) IRON CURTAIN EASTERN EUROPE LEADERS 3:1 PRAGUE SPRING In spring 1968 Czechoslovakialooked setto melt the freeze in Eastern Europe when the liberal Communist Alexander Dubcektook power. But the brief period of lberalization he implemented came to an end when the Soviets sent 111 tanks to impose ahardline regime. CHRONOLOGY ..NEWSFLASH..