Angelo Acciaioli (died May 31, 1408) was a cardinal of the Catholic Church. May 31 is the 151st day of the year in the Gregorian calendar (152nd in leap years), with 214 days remaining. ... Events December 13 - The Order of the Dragon is officially formated under King Sigismund of Hungary. ... A cardinal is a senior ecclesiastical official in the Roman Catholic Church, a member of the College of Cardinals, ranking below the Pope and appointed by him during a consistory of the College. ... The Roman Catholic Church or Catholic Church (see Terminology below) is the Christian Church in full communion with the Bishop of Rome, currently Pope Benedict XVI. It traces its origins and sees itself as the same Church founded by Jesus of Nazareth and maintained through Apostolic Succession from the Twelve...

He was first bishop of Florence but was promoted to cardinal on December 17, 1384 by Pope Urban VI. Acciaioli was Cardinal-Bishop of Ostia from 1397 to his death in 1408. Florences skyline Florences skyline at night from Piazza Michaelangelo Florence (Italian: ) is the capital city of the region of Tuscany, Italy. ... December 17 is the 351st day of the year (352nd in leap years) in the Gregorian Calendar. ... Events May / September 3 - Siege of Lisbon by the Castilian army, during the 1383-1385 Crisis Births Antoine, Duke of Brabant (died 1415) St Frances of Rome (died 1440) Khalil Sultan, ruler of Transoxiana (died 1411) Deaths January 1 - King Charles II of Navarre (b. ... Pope Urban VI (Naples c. ... Events February 10 - John Beaufort becomes Earl of Somerset. ... Events December 13 - The Order of the Dragon is officially formated under King Sigismund of Hungary. ...