The Roman Army of the Middle Empire, AD 180–284

The Prussian Army of Frederick the Great, 1740–1786

Armies of Dark Ages Europe, 613–987

Armies of the Scythians and Sarmatians 700 BC to AD 450

Armies of the Steppe Nomads, 376–1227

Armies of the Hundred Years' War 1337–1453

Armies of the Achaemenid Persian Empire, 550–330 BC

Armies of the Germanic Peoples, 200 BC to AD 500

Armies of Early Colonial North America, 1607–1713

The British Army of Queen Victoria, 1837–1901