 Cook named the island Possession Island, where he claimed the entire coastline that he had just explored as British territory.He returned to England via Batavia (modern Jakarta, Indonesia), where many in his crew succumbed to malaria, and then the Cape of Good Hope, arriving at the island of Saint Helena on 30 April 1771.The ship finally returned to England on 12 July 1771, anchoring in The Downs, with Cook going to Deal.