“…Crassus wanted military glory to match his wealth and political influence, so in 53 BC he led a Roman invasion of the Parthian Empire, which then ruled much of what is now modern-day Iran.
The campaign was a disaster, one of Rome’s worst military defeats.
Crassus ignored better advice and pushed deep into hostile territory.
Roman infantry was formidable in close combat, but the Parthians refused to fight on Roman terms. They stayed mobile, kept their distance, and rained arrows onto the legions until the Romans were exhausted and collapsing.
Crassus hoped the enemy would eventually run out of arrows. They never did.
He paid for that mistake with his life. His death became famous partly because of the story that the Parthians poured molten gold into his mouth, turning his demise into a lasting warning about arrogance, overreach, and the fatal habit of confusing wealth and status with strategic wisdom.
And yet Rome did not fully absorb the lesson.
More than a century later, Emperor Trajan marched east towards the Parthians, conquering Armenia and Mesopotamia and pushing Roman power to its greatest territorial extent. But Trajan’s victories revealed the same truth Crassus had discovered in blood: invading the region was one thing, holding it was another…”