1409
1409
Council of Pisa
Gregory XII ยท Roman Catholic Church
Charles VI helped to organise the Council of Pisa in 1409. This council was supposed to arrange for both Gregory and Benedict to resign, so that a new universally recognised Pope could be elected. However, since both Benedict and Gregory refused to abdicate, the only thing that was achieved was that a third candidate to the Holy See was put forward: Peter Philarghi, who assumed the name Alexander V
1409
Council of Pisa
John XXIII ยท Roman Catholic Church
one of the seven cardinals who, in May 1408, deserted Pope Gregory XII, and, with those following Antipope Benedict XIII of Avignon, convened the Council of Pisa, of which Cossa became the leader. The aim of the council was to end the schism; to this end they deposed both Gregory XII and Benedict XIII and elected a new Pope Alexander V in 1409
1409
Pope
Alexander V ยท Roman Catholic Church
Appointed Pope by the invalid Council of Pisa
1409
Western Schism
John XXIII ยท Roman Catholic Church
one of the seven cardinals who, in May 1408, deserted Pope Gregory XII, and, with those following Antipope Benedict XIII of Avignon, convened the Council of Pisa, of which Cossa became the leader. The aim of the council was to end the schism; to this end they deposed both Gregory XII and Benedict XIII and elected a new Pope Alexander V in 1409
5 June 1409
Council of Pisa
Alexander V ยท Roman Catholic Church
A church council was held at Pisa in 1409 under the auspices of the cardinals to try solving the dispute. At the fifteenth session, 5 June 1409, the Council of Pisa deposed the two pontiffs as schismatical, heretical, perjured, and scandalous But added to the problem by electing another incumbent, Alexander V. He reigned from June 26, 1409, to his death in 1410
5 June 1409
Western Schism
Alexander V ยท Roman Catholic Church
A church council was held at Pisa in 1409 under the auspices of the cardinals to try solving the dispute. At the fifteenth session, 5 June 1409, the Council of Pisa deposed the two pontiffs as schismatical, heretical, perjured, and scandalous But added to the problem by electing another incumbent, Alexander V. He reigned from June 26, 1409, to his death in 1410
1580
5 September 1580
University of Pisa Enrollment
Galileo Galilei ยท Astronomy
Galileo enrolls in the Faculty of Arts at the University of Pisa.
1583
1583
Pendulum Isochronism Observation
Galileo Galilei ยท Physics
Galileo observes the regularity of a swinging cathedral lamp, an episode later associated with his investigations of pendulum motion.
1589
1589
Mathematics Chair at Pisa
Galileo Galilei ยท Astronomy
Galileo is appointed to the chair of mathematics at the University of Pisa.
12 November 1589
Pisa Inaugural Lecture
Galileo Galilei ยท Astronomy
Galileo delivers his inaugural university lecture before beginning regular mathematics teaching at Pisa.
1941
7 August 1941
Death of Bruno Mussolini
Bruno Mussolini ยท World War, 2nd
Bruno Mussolini, son of Benito Mussolini, is killed in an air accident while testing a Piaggio P.108 bomber near Pisa.