Alternative successions of the English and British crown of the "Clarence" claim also draw on the debated validity of Edward IV's marriage to Elizabeth Woodville, which allows them to argue that, even if Edward was legitimate, his children were not. Another point is that Henry VI passed a law in 1470 that should both he and his son Edward of Westminster die without further legitimate issue, the crown was to pass to "Clarence", as Henry had placed an attainder upon Edward IV. When Henry died in 1471 (Prince Edward having died in battle shortly before), "Clarence" (who could claim descent from John of Gaunt, as could his wife
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