The Common Assembly of the
European Coal and Steel Community (the predecessor of the present day European Parliament) first met on 10 September 1952 and the first
Christian Democratic Group was unofficially formed the next day, with
Maan Sassen as president. The group held 38 of the 78 seats, two short of an absolute majority. On 16 June 1953, the Common Assembly passed a resolution enabling the official formation of political groups; further, on 23 June 1953 the constituent declaration of the group was published and the group was officially formed. To counter this, the EPP expanded its remit to cover the centre-right regardless of tradition and pursued a policy of integrating liberal-conservative parties. and finally left following the 2009 elections, when the Czech
Civic Democratic Party and British Conservative Party formed their own right-wing
European Conservatives and Reformists Group (ECR) group on 22 June 2009, abolishing the European Democrats subgroup from that date. The EPP-ED Group reverted to its original name – the EPP Group – immediately.
7th European Parliament (2009) In the
7th European Parliament, the EPP Group remained the largest parliamentary group with 275 MEPs. It is currently the only political group in the European parliament to fully represent its corresponding
European political party, i.e. the
European People's Party. The United Kingdom was the only member state to not be represented in the group; this state of affairs ceased temporarily on 28 February 2018, when two MEPs suspended from the British Conservative Party left the ECR Group and joined the EPP. The two MEPs later joined a breakaway political party in the UK,
The Independent Group.
8th European Parliament (2014) After twelve member parties in the EPP called for Hungary's
Fidesz's expulsion or suspension, Fidesz's membership was suspended with a common agreement on 20 March 2019. The suspension was applied only to the EPP but not to its group in the Parliament. On 3 March 2021, Fidesz decided to leave the EPP group, after the group's new rules, however still kept their membership in the party. On 18 March 2021, Fidesz decided to leave the
European People's Party.
9th European Parliament (2019) In the
9th European Parliament, the EPP won 182 seats out of a total of 751. They formed a coalition with
Progressive Alliance of Socialists and Democrats and
Renew Europe to elect
Ursula von der Leyen as
president of the European Commission.
10th European Parliament (2024) On June 18, 6 new parties joined the group, including the Hungarian
Respect and Freedom Party (TISZA) and their 7 MEPs, the Dutch
Farmer–Citizen Movement (BBB) and Czech
Mayors and Independents (STAN), each with 2 MEPs, as well as the Danish
Liberal Alliance, Dutch
New Social Contract (NSC), and the German
Family Party, each with 1 MEP. Combined, the group expanded by 14 MEPs. Later that day, the Hungarian
Christian Democratic People's Party (KDNP) announced their departure from the EPP Group, due to the admission of the
Tisza Party. On 19 June, the group re-elected
Manfred Weber as chairman of the group, and the 10 vice-chairpersons. ==Membership at formation==