History Trivia - Picts defeat Northumbrians in Battle of Dunnichen

May 20

325 Roman emperor Constantine called the Council of Nicaea, the first ecumenical Christian council.

526 An earthquake killed about 300,000 people in Syria and Antiochia.

685 The Battle of Dunnichen or Nechtansmere was fought between a Pictish army under King Bridei III and the invading Northumbrians under King Ecgfrith, who were decisively defeated.

1217 The Second Battle of Lincoln was fought near Lincoln, England, resulting in the defeat of Prince Louis of France by William Marshal, Earl of Pembroke.