Marking the end of the Plantagenet  Dynasty, for 10 points, identify this 1485 battle which ended the War of the Roses and saw the  forces of Henry Tudor defeat and kill Richard III.
John Howard, the First Duke of Norfolk was killed in the early days of this battle despite his  side having the commanding position on Ambien Hill. One key event in this battle was the  desertion of Sir William Stanley, whose attack helped lead to the death of the reigning English  monarch, who had lost his horse and was killed in a bog. Marking the end of the Plantagenet  Dynasty, for 10 points, identify this 1485 battle which ended the War of the Roses and saw the  forces of Henry Tudor defeat and kill Richard III.
John Howard, the First Duke of Norfolk was killed in the early days of this battle despite his  side having the commanding position on Ambien Hill.
Battle of Bosworth Field