Question: On which date was this battle of the English Wars of the Roses fought after which William Bonville, 1st Baron Bonville was executed?
Sentence (from "William Bonville, 1st Baron Bonville"): William Bonville, 1st Baron Bonville (c. 1392/3 – 18 February 1461), KG, of Shute, Devon, was an English nobleman, soldier, and administrator.
Relevant evidence: No