Before the arrival of multi-party democracy to Croatia, SSH existed as Socialist League of Working People of Croatia (Croatian: Socijalistički savez radnog naroda Hrvatske, SSRNH), mass-umbrella organisation for all political organisations other than Croatian Communist Party.
At the election, two parties acted as a bloc and ultimately lost.
It was briefly reinvigorated when prominent Zagreb attorney Silvije Degen took leadership and ran as relatively successful candidate during the 1992 presidential elections.
The SSH should not be mistaken for Socialist Party of Croatia - Left Alternative (Croatian: Socijalistička partija Hrvatske), which had been formed by people around Stipe Šuvar, at the time a dissident of Socialist Labour Party of Croatia.
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