The Tragedy of Richard III is a play by William Shakespeare that tells the story of the last Plantagenet king of England, Richard III. The play follows Richard's rise to power and his eventual downfall, as he is betrayed by those closest to him and ultimately killed in battle.
From Wikipedia
The Tragedy of Richard the Third, often shortened to Richard III, is a play by William Shakespeare, which depicts the Machiavellian rise to power and subsequent short reign of King Richard III of England.