The PNP was created by a split in the Ralliement créditiste du Québec after Fabien Roy was expelled from the party.

[3] Roy was appointed leader of the federal Social Credit Party of Canada on March 30, 1979, and resigned his National Assembly seat on April 5, 1979.

The PNP ceased its activities in 1980, and its status as an authorized political party was revoked by the Director-General of Elections for Québec on 31 December 1983.

[3] On August 3, 1976, the UN leader in the National Assembly, Maurice Bellemare, leaked to the media that the UN and the PNP had been holding secret negotiations for several weeks to create a single regrouping of conservative, federalist forces.

Choquette was described as Quebec's third most popular political leader in a Montreal Gazette editorial[6] Bellemare was the UN's sole Member of the National Assembly.

[7] Choquette, on the other hand, had quit the Liberal Cabinet because he wanted stricter enforcement of the education rules.