How long did the War of the Roses last where Henry Beaufort was an important Lancastrian military commander?
Henry Beaufort, 3rd Duke of Somerset: Henry Beaufort, 3rd Duke of Somerset (26 January 1436 – 15 May 1464) was an important Lancastrian military commander during the English Wars of the Roses. Wars of the Roses:  The conflict lasted through many sporadic episodes between 1455 and 1487; however, there was fighting before and after this period between the houses.
i don't know