Industry WIKI

Arnold of Brescia (c. 1090 – June 1155), also known as Arnaldus (Italian: Arnaldo da Brescia), was an Italian canon regular from Lombardy, who called on the Church to renounce property-ownership and participated in the Commune of Rome of 1144–1193. He is considered a Proto-Reformer and precursor of the Protestant Reformation.

Bernardino of Siena, OFM (also Bernardine or Bernadine; born Bernardino degli Albizzeschi; 8 September 1380 – 20 May 1444), was an Italian Catholic priest and Franciscan missionary preacher in the Republic of Siena. He was a systematizer of scholastic economics.

Unam sanctam is a papal bull that was issued by Pope Boniface VIII on 18 November 1302. It laid down dogmatic propositions on the unity of the Catholic Church, the necessity of belonging to it for eternal salvation, the position of the Pope as supreme head of the Church and the duty thence arising of submission to the Pope in order to belong to the Church and thus to attain salvation. Th