October 15
1385: Passing away  of Dionysius, the Orthodox archbishop of Suzdal, while in prison. Apart from encouraging his people in their struggle against the...
October 14
1566: Passing away of Ignatius of Methymna, a Metropolitan of the Greek Church, and the founder of the monasteries of Panagia Myrtidiotissa and...
October 13
-539 (BC): The Persian armies of Cyrus the Great capture Babylon, a military stronghold which had taken Judah into exile in 586 BC under...
October 11
1424: Demise of John Ziska, a clever military officer, in Bohemia. He defeated several armies that had tried to suppress the Bohemian reformation...
October 8
451 Opening of the Council of Chalcedon, which dealt with the view of the Eutychians, who taught that Christ's divinity swallowed up his humanity...
October 6
1520: Martin Luther publishes his famous writing "Prelude on the Babylonian Captivity of the Church," attacking the entire sacramental system in the Catholic...
October 5
869 - Opening of the Fourth Council of Constantinople, which in six sessions, condemned iconoclasm and anathematized Constantinople's Patriarch Photius, who held the...