Henry The Sixth, Part 3, Is A History Play By William Shakespeare, Believed Written In Approximately 1590, And Set During The Lifetime Of King Henry Vi Of England. It Prepares The Ground For One Of His Best-known And Most Controversial Plays: The Tragedy Of King Richard Iii (richard Iii Of England). It Continues The Action From Henry Vi, Part 1 And Henry Vi, Part 2, Though They May Not Have Been Written In That Order.