Otto III, Holy Roman Emperor, died on this day in 1002. Born to the Holy Roman Emperor Otto II, he was born in 980. He ruled as King of Germany in his childhood, until he became of age and his regent stepped down. He marched into Rome, seat of the Pope, who had rebelled following Otto II’s death in 983. He exiled the Pope and put up his cousin as Pope Gregory V, who was eventually overthrown by the old Pope Crescentius II, who who put up Pope John XVI. Eventually, Otto executed the two Popes and installed Pope Sylvester II after Gregory V’s death. Otto died on the way to Rome of a sudden fever.