The Second Battle of Chuenpee was fought between British and Chinese forces at the Bocca Tigris, China, on 7 January 1841 during the First Opium War. The British captured the forts on the islands of Chuenpee and Tycocktow. The battle led to negotiations between British Plenipotentiary Charles Elliot and Chinese Imperial Commissioner Qishan in the Convention of Chuenpee. Elliot declared, among other arrangements, the cession of Hong Kong Island to the British Empire. During the battle, the iron steam ship Nemesis fired a congreve rocket which exploded a Chinese junk. A British officer gave his account of the incident: 'The very first rocket fired from the Nemesis was seen to enter the large junk . and almost the instant afterwards it blew up with a terrific explosion, launching into eternity every soul on board, and pouring forth its blaze like the mighty rush of fire from a volcano. The instantaneous destruction of the huge body seemed appalling to both sides engaged. The smoke, and fl