One example is the 300 Spartans. Their story is about the battle of Thermopylae where a small force of Spartan warriors held off a much larger Persian army. It shows great courage and military strategy.
The samurai in feudal Japan. There were many samurai whose real - life stories are inspiring. For instance, Musashi Miyamoto, a famous samurai. He was not only a great swordsman but also a philosopher. His duels and his teachings about combat and life are based on real events and are still studied today.