Historical Events in 274 AD Jan 4 St Eutychian begins his reign as Catholic Pope Dec 25 Roman Emperor Aurelian dedicates a temple to Sol Invictus on the supposed day of the winter solstice and day of rebirth of the Sun. Famous People Who Died in 274 AD Dec 30 St Felix I, dies and ends his reign as Catholic Pope 272 AD History by Year 276 AD