Since Oda Nobunaga got most of it, and to keep the thread going, then Oda can ask the next question.
What I had in mind was
John Talbot! Easy now, for history buffs, probably. I figured Europeans would know it pretty well, but maybe Americans might not. The UK folks, for sure!
John Talbot (the Earl of Shrewsbury, AKA "the English Lion") took over shortly after the death of the Earl of Salisbury, who was killed a couple months after the siege of Orleans began the year before (1428).
Even more important than losing the battles of Orleans to Joan and her men, Talbot lost the battle of Patay just over a month later... which was the turning point of the 100 Years' was. This battle is roughly equivilent to the Battle of Midway (WW II) for American readers -- it was of colossal importance in the 100 Years' War.
BTW, John Falstoff fled the battlefield, and was stripped of his Order of the Garter (though later is was restored) for his cowardice. Talbot and his troops stood and fought Jeanne's troops, and were routed. Talbot was captured, and later ransomed.
He later appeared back in the fray of the 100 Years' War against the French in 1451, in Bordeaux, where the King of England began retaking French territory. However, in 1453, at the conclusive Battle of Castillon, Talbot was overwhelmingly defeated by one of the first decisive uses of Firearms in European battle.
The French firearms were deployued and directed by none other than the famous Bureau brothers, Jean and (I forget)... ???, and the die was cast. Unfortunately for Talbot and his cavalry, the French had massed their gunpowder weapons in preparation for battle.... Talbot dismounted his troops under the hail of flying lead, but he himself elected to remain in the saddle.
So it is of ironic historical footnote that Talbot (in his 70's, with over 50 years of military service) was not actually killed by a firearm, but by a French Archer (the English had defeated superior French forces many times with English archers!), who cracked his skull open with a battle axe when Talbot was pinned beneath his fallen horse during battle.
BTW, this is the last battle of the Hundred Years War, and marked the ascendancy of both England and France as "national" powers in the more modern sense.
Talbot is sometimes used by historians as an example of a leader who, despite a 50 year career, ultimately fails his cause, and perhaps better known (in the UK) for his brutal and bloody work in Ireland and Wales.... sometimes being compared to ferocious (and to some, monsters) military leaders in history such as Hitler, Stalin, General Sherman (American Civil War), Hannibal, Atilla the Hun, Alexander the Great, etc.
So an Archer's Axe to the skull at he dawn of th Gunpowder Age is perhaps a fitting end, though still not at dramatic as Jeanne's Burning at the Stake.
