The shameful Treaty of Turkmenchay during the Qajar dynasty, which led to the separation of northern territories from Iran.
Fun Facts
This treaty was signed after Iran's defeat in the Second Russo-Persian War. Iran lost 17 Caucasian cities and was obligated to pay 20 million rubles in reparations. Crown Prince Abbas Mirza reluctantly signed. This is called the "most shameful treaty in Iranian history."
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