Roman Martyrology-June 23rd- on this date in various years-
The Vigil of St. John Baptist.
At Rome, in the reign of Julian the Apostate, St. John, a priest who was beheaded on the old Salarian Way before an idol of the sun. His body was buried near those of other martyrs by the blessed priest Concordius.
Also at Rome, St. Agrippina, virgin and martyr, under the emperor Valerian. Her body was taken to Sicily, where it works many miracles.
At Sutri in Tuscany, St. Felix, priest. By the command of the prefect Turcius, he was struck on the mouth with a stone until he breathed no more.
At Nicomedia, in the time of Diocletian, the commemoration of many holy martyrs who concealed themselves in mountains and caverns, but joyfully underwent martyrdom for the name of Christ.
At Philadelphia in Arabia, the holy martyrs Zeno and his slave Zenas. When the latter kissed the chains of his master, begging to be a partner in his torments, he was arrested by the soldiers, and received the crown of martyrdom with him.
At Turin, St. Joseph Cafasso, priest, renowned for his piety and learning, and for his work with prisoners, reconciling to God those who were preparing for execution. He was added to the number of the Saints by Pope Pius XII.
In England, in the monastery of Ely, St. Etheldreda, queen and virgin, who departed for heaven with a great renown for sanctity and miracles. Her body was found without corruption eleven years afterwards.
And elsewhere in divers places, many other holy martyrs, confessors, and holy virgins.
R. Thanks be to God.