The Hungarian-German Social Democratic Party (German: Ungarisch-Deutsche Partei der Sozialdemokraten, Hungarian: Magyar és Német Szociál-Demokrata Párt) was a social democratic political party in Slovakia (part of Czechoslovakia at the time).
[1] Leaders of the party included Sam Mayer, Gyula Nagy (between 1919 and 1922), Géza Borovszky (from 1922 onwards) and Jószef Földessy.
Banners with slogans like "Death to profiteers" and "Long live communism" were put up in the city.
[5] The main stronghold of the party was the Nové Zámky electoral district (which included Bratislava).
[3] The party also won two seats in the Czechoslovak Senate from Bratislava, represented by Matthias Kreppenhofer and Antal Svrak.
[1] The socialist movement in Bratislava was radicalized, as Hungarian revolutionaries settled in Czechoslovakia in large numbers.
A party congress was convened on September 24, 1920, at which the old leadership (Wittich, Mayer and August Masár) was expelled.