The Social Democrats were considered by many to be the party that had created the Republic, and often said so themselves. Yet they were never very happy as a party of government, took part in only eight out of the twenty Weimar cabinets and only filled the office of Reich Chancellor in four of them.26 They remained locked in the Marxist ideological mould of the prewar years, still expecting capitalism to be overthrown and the bourgeoisie to be replaced as the ruling class by the proletariat.