The Feast of St. Matthias, Apostle and Martyr...
is today. There is information on him here.

Our Lord, when asked why His disciples did not fast, said, they could not fast while He was with them, but that the time would come, when the Bridegroom should be taken away from them, and then should they fast in those days. That time was now come, when St. Matthias was chosen to be an Apostle. Christ had gone away. Peace and joy the Apostles had abundantly, more so than when He was with them; but for that very reason, it was not such a joy "as the world giveth." It was His own joy which arose out of pain and chastisement. This was the joy which St. Matthias received when he was made an Apostle. He never had been an Apostle under age. He had indeed been with our Lord, but not as an Apostle. The rest had been chosen (as it were) as children; they had been heirs of the kingdom, while under tutors and governors, and, though Apostles, had not understood their calling, had had ambitious thoughts or desires after riches, and were indulged for a while, ere new made, with the old wine, lest the bottles should burst. But St. Matthias came into his inheritance at once. He took upon him at once, upon his election, the power and the penalty of the Apostolate. No dreams of earthly prosperity could flit around that throne, which was reared over the grave of one who had been tried and had fallen, and under the immediate shadow of the cross of Him whom he had betrayed.

Venerable John Henry Newman, Parochial and Plain Sermons


It is also the feast of St. Maria Mazzarello, F.M.A., Virgin and Foundress. To any Salesians out there, blessed feast day !