Peter Claver, † 8 Sept. 1654; Catalonian Jesuit who served in the Colombian mission in Cartagena; for thirty-eight years devoted to caring for African slaves, baptizing over 300,000; called himself "the slave of the slaves forever"; patron of Colombia and of all missions to black peoples. This memorial has been newly included in the Universal Calendar in the Missale Romanum, editio typica tertia, as an Optional Memorial (observed as an Obligatory Memorial in USA).