Cyprus mutiny and his last three companions arrived there. The mutineers were tried in London and two of them, George James Davis and William Watts, were hanged in that city at Execution Dock on 16 December 1830, the last men hanged for piracy in Britain. Swallow, and two others, were returned to Hobart, where another one named James Camm was hanged. Swallow died at the British maximum security facility of Port Arthur. The mutiny is the subject of the Australian folk song "Cyprus Brig". Simon Barnard’s book "Gaolbird: The True Story of William Swallow, Convict and Pirate", is a fictionalised account of
Barbary pirates difficulty securing uniform compliance with a total prohibition of slave-raiding, as this had been traditionally of central importance to the North African economy. Slavers continued to take captives by preying on less well-protected peoples. Algiers subsequently renewed its slave-raiding, though on a smaller scale. Europeans at the Congress of Aix-la-Chapelle in 1818 discussed possible retaliation. In 1820 a British fleet under Admiral Sir Harry Neal bombarded Algiers. Corsair activity based in Algiers did not entirely cease until France conquered the state in 1830. According to Robert Davis, between 1 million and 1.25 million Europeans were captured by Barbary pirates and