The War of the Roses (1455-1485) was a feudal battle between the two major royal families in British history. The Lancaster family's emblem is red roses, and the York family's emblem is white roses, a battle between the two major royal families called the Rose War.

In the fifteenth century, the feudal territory economy of Britain declined, and the great aristocracy used private arms established during the Hundred Years' War to gain power and wealth. In May 1455, Duke Richard of York rebelled against Henry the Great of the Lancaster family, and the war broke out. In 1460 Richard died in the war. In March 1461, Richard's son Edward occupied London, destroyed Henry VI, took the throne, named Edward IV, and established the York dynasty. In April 1483, Edward IV, his son Edward V, became king, ruled by his brother Richard. In June, Richard abused Charles III. The family of Yorks upheld the aristocracy of Edward IV and the rest of the Lancaster family, united and resisted the rule. On August 22, 148