This is a historical play by William Shakespeare, based on the life of Richard III, the last Plantagenet King of England. It follows the story of Richard's rise to power, his reign, and his eventual downfall. The play is filled with themes of ambition, power, and betrayal
From Wikipedia
Richard III was King of England from 26 June 1483 until his death in 1485. He was the last king of the Plantagenet dynasty and its cadet branch the House of York. His defeat and death at the Battle of Bosworth Field marked the end of the Middle Ages in England.