Only a fool would underestimate these military tactics. Welcome to WatchMojo, and today we’re counting down our picks for the top 10 most iconic and brutal tactical formations in military history.

Little remains of the ancient city of Sparta ... whose people existed almost entirely to serve the army, the Spartans were legendary for their professionalism, intense physical and mental stamina ...

An ancient chieftain gathered ... “enough weapons for a small army.” The weapons could have come from “local warriors,” from the “spoils of war” or a combination of both, the museum ...

Calisthenics is based on how ancient Greek warriors trained. It uses bodyweight exercises to maximize strength, flexibility, equilibrium and neuromuscular coordination. The result is incredible ...

The Roman army was the largest ... Roman soldiers weren't always at war - they spent most of their time training for battle. They practised fighting in formation and man-to-man.

In 431, shortly after the Peloponnesian War had broken out ... it is one of the primary sources on which our understanding of ancient Athens is based and provides a unique insight into just ...

The Roman army was the largest ... Roman soldiers weren't always at war - they spent most of their time training for battle. They practised fighting in formation and man-to-man.