Dashed left edge = started before April 1585 ·
Dashed right edge = ongoing beyond April 1585
Events in April 1585 3
1502 – 1585Pope Gregory XIII (1502-1585)Died 10 April 1585, aged 83Ugo Boncompagni reigned as Pope Gregory XIII from 1572 until his death. He is best remembered for commissioning the Gregorian calendar reform of 1582, which corrected the drift of the Julian calendar and is still in use today.
1535 – 1585Niwa Nagahide (1535-1585)Died 16 April 1585, aged 49Niwa Nagahide was a Japanese daimyo who served as one of Oda Nobunaga's most trusted generals before allying with Toyotomi Hideyoshi. He died at Kitanosho Castle amid declining health shortly after Hideyoshi's consolidation of power over Japan.
1585Sixtus V elected popeFelice Peretti becomes popeThe College of Cardinals elected Felice Peretti as Pope Sixtus V. His pontificate was marked by efforts to restore papal finances, major building projects in Rome, and vigorous suppression of banditry in the Papal States.