"With the wall breached, everything was possible. On November 10th, Todor Zhivkov, Bulgaria's ruler since 1954, announced that he was stepping down; soon the Bulgarian Communist Party was negotiating with the opposition and promising free elections. On November 17th, demonstrations broke out in Prague and quickly spread throughout Czechoslovakia. Within weeks, a coalition government had ousted the communists, and by the end of the year Alexander Dubcek, who had presided over the 1968 "Prague spring," was installed as chairman of the national assembly, reporting to the new president of Czechoslovakia—Václav Havel."