Original sentence: East Germany was proclaimed in East Berlin on October 7, 1949.East Germany, officially the German Democratic Republic (GDR), German Deutsche Demokratische Republik (DDR), was a Communist state that existed from 1949 to 1990 in the former Soviet occupation zone of Germany.Following free elections, it merged with West Germany to form a united Germany in 1990
Edited sentence: East Germany was created in East Berlin on October 7, 1949.East Germany, officially the German Democratic Republic (GDR), German Deutsche Demokratische Republik (DDR), was a socialist country that existed from 1949 to 1990.Following elections, it merged with West Germany to form a united Germany in 1990.Instructions for these demonstrations were broadcast from US-run radio stations in West Berlin