537 The Hagia Sophia (Church of the Holy Wisdom of God), one
of the world's greatest architectural masterpieces, was dedicated in
Constantinople by the Emperor Justinian. This was the third Cathedral, the
previous two having been destroyed by fire.
1390 Anne de Mortimer, Countess of
Cambridge, and the mother of Richard Plantagenet, 3rd Duke of York, and
grandmother of King Edward IV and King Richard III, was born.