death_date feast_day birth_date major_shrine article_title name
305 september 19 -lrb- western christianity -rrb- 3rd century naples most precious blood , little italy , manhattan , new cathedral york city . , italy and the church of the januarius
 saint januarius
januarius

januarius -lrb- -rrb- , bishop of naples , is a martyr saint of the roman catholic and the eastern orthodox churches .
while no contemporary sources on his life are preserved , later sources and legends claim that he died during the diocletianic persecution , which ended with diocletian 's retirement in 305 .
januarius is the patron saint of naples , where the faithful gather three times a year in naples cathedral to witness the liquefaction of what is claimed to be a sample of his blood kept in a sealed glass ampoule .
