Example image of eyePlorer eyePlorer map for '1378': Common year starting on Friday Julian calendar Roman numerals England John Wycliffe Tract (literature) Archbishop of Canterbury Lambeth Simon Sudbury April 9 Pope Pope Gregory XI Pope Urban VI Roman Catholic Archdiocese of Bari-Bitonto Ciompi Florence August 4 Galeazzo II Visconti Gian Galeazzo Visconti Milan Antipope Antipope Clement VII Avignon Fondi September 20 Western Schism Halley's Comet November 10 Charles IV, Holy Roman Emperor November 29 Wenceslaus, King of the Romans Charles V of France Avignon Papacy Aragon Cyprus Duchy of Burgundy France Naples Savoy Scotland Denmark Flanders Holy Roman Empire Hungary Ireland Italy Norway Poland Sweden Blue Horde
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