Wars of the Roses the Hundred Years' War, unfolding the structural problems of feudalism, combined with the mental infirmity and weak rule of King Henry VI which revived interest in Richard of York's claim to the throne. Historians disagree on which of these factors to identify as the main reason for the wars. With the Duke of York's death, the claim transferred to his heir, Edward, who later became the first Yorkist king of England, as Edward IV. He reigned from 1461, interrupted by a Lancastrian uprising and reinstallment of Henry VI in 1470 to 1471, until his sudden death in 1483. His son
Cham–Vietnamese War (1471) them, ordering the Malaccans to strike back with violent force if the Vietnamese attacked. Only a small Cham kingdom remained in the south but this did not persist. Around 162,000 Cham remain in Vietnam today. The victory allowed the Đại Việt a period of stability since it united the north under the Trinh dynasty. It also allowed the kingdom to consolidate its power in its later conflict with the Nguyen family that ruled the south. 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