Isamaa
It started on 4 June 2006.  It was then called "Pro Patria and Res Publica Union". The two conservative parties, Pro Patria Union and Res Publica Party joined together.. Up to the 2007 parliamentary elections, the party held 32 seats out of 101 in the Riigikogu and one of Estonia's six seats in the European Parliament. The party is a member of the European People's Party. The merged party had two separate boards and two party leaders. A single board and leader was set up in May 2007. The party's prime minister candidate was Mart Laar, who became a chairman of the party. In 2018, its name was changed to "Isamaa", meaning literally "Fatherland".