January 28. January 28 is the 28th day of the year in the Gregorian calendar; 337 days remain until the end of the year (338 in leap years). Events Pre-1600 98 ??? On the death of Nerva, Trajan is declared Roman emperor in Cologne, the seat of his government in lower Germany. 814 ??? The death of Charlemagne, the first Holy Roman Emperor, brings about the accession of his son Louis the Pious as ruler of the Frankish Empire. 1069 ??? Robert de Comines, appointed Earl of Northumbria by William the Conqueror, rides into Durham, England, where he is defeated and killed by rebels. This incident leads to the Harrying of the North. 1077 ??? Walk to Canossa: The excommunication of Henry IV, Holy Roman Emperor, is lifted after he humbles himself before Pope Gregory VII at Canossa in Italy. 1521 ??? The Diet of Worms begins, lasting until May 25. 1547 ??? Edward VI, the nine...