Sparta

At age 7, Spartan boys were put into a military training camp to train to become soldiers. This continues for 13 years until they were ready to join the army.
The Spartans had the 1st professional army.
Spartans turned the people they conquered into state-owned slaves.
Spartan government consisted of two kings and a council of elders who advised the kings.
Spartan citizens, who were native born males over the age of 30, made up an assembly that approved major decisions.
Women were expected to produce healthy sons for the army.
Spartan women had to obey their fathers and husbands, however, they could inherit property if needed.
The Spartans isolated them self and saw no need for trade, wealth, travel, new ideas, or the arts.
If an unhealthy or weak boy was born, it was abandoned to die.
The Spartans won the Persian war in a great upset.
Sparta battles Athens for 25 years in the Pelopenisian war. Athens falls.
In the battle of Thermoylae, A small force of Spartans held off the Persians in a narrow passageway.