April 17,69 After the First Battle of Bedriacum, Vitellius became Roman Emperor. 858 Pope Benedict III died. 1397 Geoffrey Chaucer told the Canterbury Tales for the first time at the court of Richard II. 1521 Martin Luther spoke to the assembly at the Diet of Worms where he refused to recant his teachings, and was excommunicated from the Roman Catholic Church. 1534 Sir Thomas More was confined in London Tower.