It was the direct predecessor of the Christian Social People's Party (CSV), which has ruled Luxembourg for all but fifteen years since.
The notion of a "party" did not exist in the modern sense; the word referred to political schools of thought, loose groupings of like-minded people, and sometimes, committees organised shortly before elections.
[2] When the Education Law of 1912 was passed by a majority in the Chamber of Deputies, several right-wing figures became convinced that it was necessary to organise themselves into a political party.
[2] The PD benefited from the break-up of the Socialist-Liberal alliance after the death of Paul Eyschen,[4] and soon became the dominant party, strengthened by the introduction of universal suffrage in 1918.
[5] The leader of the Party of the Right would serve as the prime minister from the end of the First World War until the start of the Second, except for a fourteen-month period in the mid-1920s.
[7] The historian Gilbert Trausch distinguished two streams within the party: on the one hand, agrarian conservatives, who defended the interests of farmers and traditional values, and were ambivalent or hostile towards the world of industry.