Napoleon once said, "If I had Cossack cavalry in my army, I would use them to sweep the world." This is because even Napoleon was defeated by the Cossacks. —From this, we can deduce that Cossack cavalry > French dragoons > Polish winged hussars > Hungarian hussars > Prussian cuirassiers. The strongest cavalry in the world—the Zaporizhia Cossacks—were mostly serfs who escaped from landowners' enslavement, and were the precursors to Ukraine. Book summary: The first half mainly covers: uniting heroes against the Ottomans, establishing a federation, fighting the Ottomans, and rebuilding Rome. The second half mainly covers: eating the Burgundian skull-cracked, and fighting the Reformation Wars. The famous letter says: "You, the devil of Turkey, brother and friend of the devil, henchman of Lucifer. What kind of demonic knight are you, unable to kill a hedgehog even with your bare buttocks?"...