The Feast of the Beheading of St. John the Baptist, Prophet, Martyr, and Forerunner of Our Lord
is today. There is information on him here.

The Prophets were ever ungratefully treated by the Israelites; they were resisted, their warnings neglected, their good services forgotten. But there was this difference between the earlier and the later Prophets; the earlier lived and died in honour among their people,—in outward honour; though hated and thwarted by the wicked, they were exalted to high places, and ruled in the congregation. Moses, for instance, was in trouble from his people all his life long, but to the end he was their lawgiver and judge. Samuel, too, even though rejected, was still held in reverence; and when he died, "all the Israelites were gathered together and lamented him, and buried him in his house at Ramah." [1 Sam. xxv. 1.] David died on a royal throne. But in the latter times, the prophets were not only feared and hated by the enemies of God, but cast out of the vineyard. As the time approached for the coming of the true Prophet of the Church, the Son of God, they resembled Him in their earthly fortunes more and more; and as He was to suffer, so did they. Moses was a ruler, Jeremiah was an outcast: Samuel was buried in peace, John the Baptist was beheaded.

Venerable John Henry Newman, Parochial and Plain Sermons