Major Events Jan 4 St Eutychian begins his reign as Catholic Pope Dec 25 Roman Emperor Aurelian dedicates a temple to Sol Invictus in Rome, on supposed day of the winter solstice, fulfilling vow made during campaign in Palmyra 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 Famous Romans Augustus Caesar Caligula Constantine the Great Julius Caesar Mark Antony Nero