On July 28
388 Battle at Aquileja (northern Italy): Emperor Theodosius defeated Emperor Magnus Maximis.
754 Pope Stephen II made Pippin the Short King of France. He was the first King of the Franks of the Carolingian dynasty.
1148 Crusaders attacked Damascus.
1540 Thomas Cromwell, King Henry VIII's chief minister, was executed for treason.
1540 Henry VIII of England married his fifth wife, Catherine Howard.
1586 Sir Thomas Harriot introduced potatoes to Europe.
1588 Spanish Armada set sail to overthrow England's Queen Elizabeth I.