1439 The council removed to Florence. Union of the Greek and Latin churches effected. It comes to nothing, through hostile influences at Constantinople and the failure of Eugenius to keep his promises. Deposition of Eugenius at Bâle. Amadeus VIII of Savoy, Felix V, elected anti-pope. Eugenius excommunicates the Council of Bâle.
1440 Coronation of Felix.
1441 Felix quarrels with the council over questions of money. General peace in northern Italy concluded at Cremona.
1443 Felix deserts the council, but retains allegiance of Germany. Henceforth it exists only in name. Eugenius leaves Florence for Rome.
1445 Eugenius’ deposition of the archbishop of Cologne and Trèves brings his dispute with the electors of Germany to a climax. The emperor Frederick III comes to his aid.
1446 Treaty between Frederick and Eugenius. Two electors are deposed, and the electors league against the pope.
1447 Through efforts of Æneas Sylvius Piccolomini the obedience of Germany is restored. Death of Eugenius. Tommaso Parentucelli, Nicholas V. Under him the revival of learning properly begins. The Vatican library is founded. Frederick III forbids any allegiance to Felix in Germany.
1448 Nicholas recognised by the German electors. Dissolution of the Council of Bâle.
1449 Abdication of Felix.
1450 Francesco Sforza becomes lord of Milan. Peace restored in Italy.