Medieval Europe Visual Timeline By ielmes_1 Period: 1337 to 1453 The Hundred Years War This conflict transformed warfare and national identities. Period: 1347 to 1351 The Black Plague A pandemic that reshaped society and the economy. Period: 1378 to 1417 The Western Schism The church divided, setting stage for reformation. 1453 Fall of Constantinople The Byzantine Empire ends; the renaissance sparked.