The secret police monitored the role and work of Jiří Dienstbier Jr., Marek Benda, and Ladislav Lis, in organizing and moderating the demonstration at Albertov.
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Before that the leading figures of the STUHA movement had met on 9 November 1989 (the day the great 19th centuryCzech poet, Karel Hynek Mácha, is traditionally commemorated at his monument in Petřín park, Prague), with the aim of getting in touch with the leaders of the Socialist Youth Organization (Socialistický svaz mládeže – SSM) and winning over SSM members who were willing to take part in a mass demonstration for democratization of the régime.