Saint Pedro Calungsod (July 21, 1654 – April 2, 1672), also known as Peter Calungsod and Pedro Calonsor, was a Catholic Filipino migrant, sacristan and missionary catechist who, along with the Spanish Jesuit missionary Diego Luis de San Vitores, suffered religious persecution and martyrdom in Guam for their missionary work in 1672. In Guam, Pedro received basic education at a Jesuit...