Frederick III was born 13th December 1272 A.D. and died #onthisday 25th June 1337 A.D. he was a regent from 1291 A.D. and the King of Sicily from 1295 A.D. until his death.

Frederick was the third son of the Peter of Aragon and served in the war of the Sicilian Vespers, on behalf of his father and brother known as James II and Alfonso III.

He was also a king of Trincacria which was another island of Sicily.

His reign saw interesting constitutional reforms and changes.