[1] The party was established in Braga in 1915 and won a single seat in both the House of Representatives and the Senate in the parliamentary elections later that year.
[2] After the 28 May 1926 coup d'état, the PCC's direction supported the vote on the National Union and many of its members were invited by António de Oliveira Salazar to become part of the National Union.
Instead, the CCP would then serve to provide administrative assistance to the clergy and other catholic corporations.
[1] On 7 February 1934, António Lino Neto (who had been president since 1919) resigned from the party after a letter from Pope Pius XI recognized another Catholic association, Acção Católica Portuguesa.
[1] The party was officially disbanded by the episcopacy in January 1940, in the context of the 1940 Concordat between Portugal and the Holy See.