Him and plenty of Christians were executed after refusing advances from a homosexual Ugandan king.
>King Mwanga was a violent ruler and pedophile who forced himself on the young boys and men who served him as pages and attendants. The Christians at Mwanga's court who tried to protect the pages from King Mwanga.
Today is the date he was canonized by the faith.
https://en.wikipedia.org/wiki/Charles_Lwanga
https://www.catholic.org/saints/saint.php?saint_id=35
In the long run, Uganda became a country that resisted sodomy. The same will inevitably happen to us in the west.