Feast of St. Peter and St. Paul (June 29 annually) / / St. Irenaeus of Lyons (June 28 feast)

These singular apostles and early church bishop

are celebrated annually on 

June 28 (Irenaeus, systematic theologian

and doctrinal "watchdog")

and June 29 (St. Peter, original

disciple of Christ, apostle at Pentecost,

martyred in Rome by Emperor Nero : 

Apostle Paul of Tarsus, writer of

majority of New Testament Epistles/

writings, martyred at Rome, likely

beheaded by Nero).