This 2012 episode from prior hosts covers King Wenceslas. He's known from a Christmas carol, but was a 10th-century Bohemian prince, known for his kindness to children and promotion of Christianity. But he was murdered at only 22.

The Life and Afterlife of Casimir Pulaski
45:10

SYMHC Classics: Redpath Murders
32:44

Behind the Scenes Minis: Piece of Work
17:48