House of York Warwick himself changed sides, and supported Margaret of Anjou and the king's jealous brother George, Duke of Clarence, in briefly restoring Henry in 1470-71. However, Edward regained his throne, and the House of Lancaster was wiped out with the death of Henry VI himself, in the Tower of London in 1471. In 1478, the continued trouble caused by Clarence led to his execution in the Tower of London; popularly he is thought to have been drowned in a butt of malmsey wine. On Edward's death in 1483, the crown passed to his twelve-year-old son Edward. Edward IV's younger brother Richard,
Cham–Vietnamese War (1471) Cham–Vietnamese War (1471) The Cham-Đại Việt War of 1471 began when Emperor Lê Thánh Tông of Đại Việt launched a military expedition that is widely regarded as an event that marked the downfall of Champa. The Đại Việt forces attacked and sacked the kingdom's capital Vijaya, and decimated the Cham army. As a result of the conflict, Champa was forced to cede territory to Annam and ceased to pose a threat to Annamese territory since then. The Cham and the Đại Việt had had a history of conflict. In the course of their wars, peace often came with economic exhaustion