British ended their 1819 campaign by demanding that the ruling sheikhs of coastal tribes sign truces renouncing any sort of naval hostility. The ruler of Sharjah signed first, in 1820. He agreed to surrender pirate ships and arms, destroy the town’s fortifications, and release British prisoners. In exchange, the British returned all the pearling and fishing boats they had seized. The other six ruling sheikhs soon followed Sharjah’s lead, although two of them needed a bit of British shelling to make up their minds.25 British supremacy over the coast was sealed. The seven sheikhdoms that later formed the UAE—Dubai, Abu Dhabi, Sharjah, Ajman, Umm Al-Quwain, Ras Al-Khaimah, and Fujairah—fell under British dominance that lasted until 1971.
The 1819 assaults are significant for other reasons: They mark the start of a major Western military presence in this strategic sea. After the assaults, the British kept six warships on patrol in the Gulf. That presence grew over the years until, after World War II, America largely replaced the British. In 2008, the U.S. military kept around 40,000 American soldiers, sailors, and airmen in the Persian Gulf, not including the U.S. forces in Iraq.26
The downfall of Ras Al-Khaimah also left a commercial vacuum in the lower Gulf. The Qawasim port of Sharjah would take over some of the slack for a while, but the opening left room for Dubai to emerge and later, to dominate. Dubai’s leaders learned a lesson from the 1819 raids: The English were a force better befriended than fought.