 In 1984, Genscher became the first Western foreign minister to visit Tehran since the Iranian Revolution of 1979.In 1988, he appointed Jürgen Hellner as West Germany's new ambassador to Libya, a post that had been vacant since the 1986 Berlin discotheque bombing, a tragedy which U.S. officials blamed on the government of Muammar Gaddafi.Genscher's proposals frequently set the tone and direction of foreign affairs among Western Europe's democracies.