History of Germany (1945–90) eventually hundreds of thousands of people in several cities—particularly in Leipzig—continued to grow. On 7 October, the Soviet leader Mikhail Gorbachev visited Berlin to celebrate the 40th anniversary of the establishment of East Germany and urged the East German leadership to pursue reform, without success. The movement of civil resistance against the East German regime—both the emigration and the demonstrations—continued unabated. On 18 October, Erich Honecker was forced to resign as head of the SED and as head of state and was replaced by Egon Krenz. But the exodus continued unabated, and pressure for political reform mounted. On 4 November,
Erich Honecker handed the Presidency of the FDJ over to Karl Namokel, and departed for Moscow to study for two years at the School of the Soviet Communist Party at Ulbricht's request. During this period he witnessed the 20th Congress of the Soviet Communist Party in person, where its First Secretary Nikita Khrushchev denounced Joseph Stalin. After returning to East Germany in 1958 Honecker became a fully-fledged member of the Politburo, taking over responsibility for military and security issues. As the Party Security Secretary he was the prime organiser of the building of the Berlin Wall in August 1961 and also a