Richard III. Richard III was King of England and Lord of Ireland from 1483 until his death in 1485.
   He was the last king of the House of York and the last of the Plantagenet dynasty. His defeat and death at the Battle of Bosworth Field, the last decisive battle of the Wars of the Roses, marked the end of the Middle Ages in England.
   He is the protagonist of Richard III, one of William Shakespeare's history plays. When his brother Edward IV died in April 1483, Richard was named Lord Protector of the realm for Edward's eldest son and successor, the 12-year-old Edward V. Arrangements were made for Edward's coronation on 22 June 1483.
   Before the king could be crowned, the marriage of his parents was declared bigamous and therefore invalid. Now officially illegitimate, their children were barred from inheriting the throne.
   On 25 June, an assembly of lords and commoners endorsed a declaration to this effect and proclaimed Richard as the rightful king. He was crowned on 6 July 1483. The young princes, Edward and his younger brother Richard, Duke of York, were not seen in public after August and accusations circulated that they had been murdered on Richard's orders. There were two major rebellions against Richard during his reign. In October 1483, an unsuccessful revolt was led by staunch allies of Edward IV and Richard's former ally, Henry Stafford, 2nd Duke of Buckingham. Then in August 1485, Henr
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