Czech National Social Party

Split from the Czechoslavonic Social Democratic Workers' Party (ČSDSD) and the Young Czech Party (Mladočeši);

Chairperson: Alois Simonides and Josef Klečák, (1897–1898), František Kváča (1898–1899), Václav Klofáč (1899–1914, 1918–1938), Petr Zenkl (17 May 1945 – 24 February 1948), Emanuel Šlechta (29 February 1948 – 10 March 1960), Alois Neuman (April 1960 – 22 March 1968), honorary chairman since 1968 Bohuslav Kučera (23 March 1968 – December 1989), Jan Škoda (December 1989 – 18 March 1990), Jiří Vyvadil (18 March 1990 – 13 January 1991), Ladislav Dvořák (13 January 1991 – 30 May 1993), Pavel Hirš (30 May 1993 – 28 May 1995), Vavřinec Bodenlos (28 May 1995 – 22 June 1996), Tomáš Sokol (30 November 1996 –20 September 1997), Jan Šula (25 October 1998 – 22 June 2002), Jaroslav Rovný (20 July 2002 – 3 November 2012), Michal Klusáček (since 3 November 2012)