The Suppression of the slave trade in the Persian Gulf, refers to the Imperial Firman or Ferman (Decree) issued by Sultan Abdülmecid I in 1847.
[2] The Firman was issued in a time period when the Ottoman Empire was subjected to a growing diplomatic pressure from the West to suppress slave trade and slavery in the Ottoman Empire.
Abolitionist policy was also consistent with the modernization reform efforts of the Tanzimat era.
In January 1847, the Sultan formally prohibited the import of African slaves via the Persian Gulf in to Ottoman territory.
In 1847, the British consulate in Baghdad reported:[5] Slaves from the Swahili coast of East Africa where still trafficked via the Indian Ocean slave trade to the Persian Gulf in the 1930s.