It was established by the merger of the Alliance of Green Democrats (ZDSZ), the European Feminist Initiative for a Different Europe (EFKEME) and the Workers' Party of Hungary 2006.

On 30 May 2010, Marxist philosopher Gáspár Miklós Tamás was elected new president of the party.

[2] The ZB received only 0.03 percent of the individual votes in the 2010 parliamentary election, while its green party rival the Politics Can Be Different (LMP) jumped over the electoral threshold.

[2] On 7 September 2015, ZB withdrew its European Green Party membership because of financial reasons.

* Limit for parties to join the National Assembly in Hungary is 5 % of popular votes