History Trivia - Third Crusade initiated

January 21

1189 King Philip Augustus of France, King Henry II of England, King Richard I, and Holy Roman Emperor Frederick I Barbarossa initiated the Third Crusade in response to the victory of Saladin in 1187. 

History Trivia - Publius Septimius Geta, co-emperor of Rome, murdered

December 19

211 Publius Septimius Geta, co-emperor of Rome, was murdered.

324 Licinius abdicated his position as Roman Emperor.

1075 Edith of Wessex, wife of Edward the Confessor of England, died.

1154 Henry II of England was crowned at Westminster Abbey.

1187 Clement III became Pope. The fall of Jerusalem to Saladin in the Third Crusade occurred during his pontificate.

1490 Anne, Duchess of Brittany, was married to Maximilian I, Holy Roman Emperor by proxy.

1551 The Dutch west coast was hit by a hurricane.

History Trivia - The Battle of Fulford: King Harald III of Norway defeats Edwin of Mercia and Morcar of Northumbria.

September 20

451 The Battle of Châlons took place in North Eastern France. Flavius Aetius's victory over Attila the Hun in a day of combat is considered to be the largest battle in the ancient world.

1066 The Battle of Fulford: King Harald III of Norway (Harald Hardrada) and Tostig Gowinson, his English allay, defeated Edwin of Mercia and Morcar of Northumbria.

1187 Saladin began the Siege of Jerusalem. This act of aggression provoked the Third Crusade.

1378 Cardinal Robert of Geneva, called by some the Butcher of Cesena, was elected as Avignon Pope Clement VII, beginning the Papal schism.

1633 Galileo Galilei was tried before the Congregation for the Doctrine of the Faith for teaching that the Earth orbits the Sun and was found "vehemently suspect of heresy", forced to recant, and spent the rest of his life under house arrest.