Historical Events in Church Annals for September 21:
Feast of the Apostle and Evangelist Saint Matthew
Death of Pope Conon, the Thrace-born pontiff who was the 83rd successor of Peter. He served just under a year and his pontificate was deeply disturbed by the anarchy which prevailed in the Church.
Richard I the Lion Hearted is captured by Saracens thus basically ending the Third Crusade.
Death of the celebrated Pontifical Librarian Bartholomeus Platinum.
Pope Clement XIV issues his first encyclical Decet quam maxime on abuses in taxes and benefices.
Pope Benedict XV donates one million lira to feed the Russians.