June 29
Saints Peter and Paul is invoked as patron of popes. The Solemnity of Saints Peter and Paul is one of the oldest and highest feasts of the Roman Calendar, attested in the Depositio Martyrum of 354. It celebrates the two principal Apostles, both martyred at Rome under the persecution of the Emperor Nero, traditionally dated to the year 67.Saint Peter, born Simon son of John at Bethsaida, was a fisherman of Capernaum on the Sea of Galilee, brother of Saint Andrew. Sources: https://www.vatican.va/content/benedict-xvi/en/audiences/2006/documents/hf_ben-xvi_aud_20060517.html.