Who Died in 577 AD May 16 Saint Brendan, Irish navigator and Catholic saint dies* at about 93 [*Feast Day - exact dates of birth and death undocumented - born c. 484] 575 AD History by Year 578 AD Medieval Popes Gregory I Gregory XIII Julius II Julius III Leo X Pius V
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V