1417
ID: 29
Poggio Bracciolini discovers Lucretius's 'De Rerum Natura' - Epicurean materialism recovered
ID: 29
1417
ID: 72
Council of Constance ends Great Schism - Martin V elected sole pope
ID: 72
1417
ID: 2477
Henry V's second invasion of France - systematic conquest of Normandy begins, different from earlier raids
ID: 2477