From the martyrology:
"At Assisi in Umbria, the birthday of St. Clare, virgin, the first of the Poor Ladies of the Order of Friars Minor. Being celebrated for holiness of life and miracles, she was placed among the holy virgins by Pope Alexander IV...
At Rome, between the two laurels situation about three miles from the city, the birthday of St. Tiburtius, martyr, under the judge Fabian, in the persecution of Diocletian. After he had walked barefooted on burning coals and confessed Christ with increased constancy, he was put to the sword."
In the Extraordinary Form:
"Also at Rome, the holy virgin Susanna, a woman of noble race, and niece of the blessed Pontiff Caius. She merited the palm of martyrdom by being beheaded in the time of Diocletian."