May 28, 1503 - James IV of Scotland marries Margaret Tudor, daughter of Henry VII and Elizabeth of York. A Treaty of Everlasting Peace is signed between the two countries; it lasted ten years.
May 28, 1533 - Thomas Cramner, Archbishop of Canterbury, declares Henry VIII and Anne Boleyn's marriage valid.
May 28, 1588 - The Spanish Armada leaves Lisbon and heads for the English Channel.
May 28, 1660 - The future King George I was born.
May 28, 1774 - The first Continental Congress convenes in Philadelphia.
May 28, 1908 - Ian Fleming, the English author of the James Bond novels was born.