Three parties representing the Hungarian minority had formed such a cartel, called 'Hungarian Coalition' in the 1994 election, and had won 10.2% of the vote.

[citation needed] In the parliamentary election of 17 June 2006, the party won 11.7% of the popular vote and 20 out of 150 seats, but lost its participation in the government.

[citation needed] In 2009, a moderate faction led by high-ranking SMK-MKP members founded Most–Híd.

[15] In connection with the upcoming parliamentary elections, the members of Összefogás–Spolupatričnosť negotiated an electoral cooperation with four other ethnic Hungarian parties (Most–Híd, SMK-MKP, MKDA-MKDSZ, MF-MF).

[16][17] On 24 November 2019, Összefogás–Spolupatričnosť approved the joint action of the Hungarian parties in the parliamentary elections.

Mózes stated that they were joining to ensure the representation of the Hungarian minority and to contribute to the change of government and the removal of the SMER-SD party from power.

[21] The assembly was preceded by two years of negotiations between five Hungarian political parties about the possibility of cooperation.

The goal of joining forces was declared as a return to parliament after the next election, or to be part of the governing coalition.

[21] Sólymos said: "We have laid the foundations for the political, parliamentary representation of the Hungarians, the nationalities and the regions in which we live".

[21][20] In 2023, a few months before the election, however Most–Híd left the united party again over a dispute about allowing former OĽaNO MP György Gyimesi on the list.

[28][29] Like their predecessors SMK-MKP and MKÖ-MKS, Alliance is a member of EPP and an observer of the CDI.

On 31 March 2007 Pál Csáky was elected for chairman by the assembly of party, thus succeeding the more moderate Béla Bugár.