City of Prague. Rally on Old Town Square, dedicated to the 37th anniversary of the Great October Socialist Revolution. On the podium: A. Zopototsky, V. Shirokiy, N. P. Firyubin. The meeting was opened by the mayor of Prague Svoboda. Speakers: Prime Minister of the Czechoslovak Republic A. Shiroky, Ambassador Extraordinary and Plenipotentiary of the USSR to Czechoslovakia NP Firyubin. Types of Prague.