death_date feast_day venerated_in birth_date titles article_title name
457 15 december 28 november roman catholic church , eastern orthodox church 377 bishop valerian of abbenza
 valerian of abbenza
valerian of abbenza

saint valerian -lrb- 377 -- 457 -rrb- was bishop of abbenza in north africa .
he was martyred in 457 when he refused to surrender the sacred vessels of his church to the vandals led by arian king geiseric .
valerian was driven out of the city and left to die of exposure .
his feast day is celebrated in december 15 .
