The Known World
410 Visigoths sack Rome.
410 Romans driven out of Britain.
421 Seven Sleepers awaken
432 Saint Patrick (390-461) returns to Ireland, expels snakes.
440 Sinking of Ys.
445 Vortigern takes power in Britain.
449 Saxon invasion of Britain begins.
452 Atilla the Hun (405–453) spares the city of Rome at the request of Pope Leo (400-461).
455 Vandals sack Rome.
455 Chichen Itza founded.
460 Ambrosius Aurelianus leader of Britain.
468 Saint Brigid (451-525) converts to Christianity
476 Western Roman Empire falls to the Goths.
497 Shaolin Monastery founded
501 Uther Pendragon becomes king of Britain.
518 The Battle of Badon, according to Annales Cambrai 
521 Arthur pulls Sword from Stone, becomes King of Britain
Arthur receives Excalibur from the Lady of the Lake.
Merlin trapped in a hill by Nimue.
Guenivere and Lancelot betray Arthur
511 Death of Arthur (542?)
525 Beowulf slays the dragon.
527 Bodhidharma comes to China, teaches kung fu to the Shaolin Monastery.
530 Voyage of St. Brendan (484-574)
539 Death of Arthur, according to Annales Cambrai 
555 Taliesin (534–599) becomes royal bard in Britain.
563 Saint Columba (521-597) founds the monestary at Iona, confronts the Loch Ness Monster, converts the Picts.
590 Gregory the Great (540-604) becomes Pope; fond of chanting, not so fond of calendar reform.
610 Mohammed (570-632) begins receiving revelations from the Archangel Gabriel.
622 Flight of Mohammed from Mecca to Medina.
661 Death of Ali (b. 599)
691 Dome of the Rock built on site of Second Temple.
711 Moors begin conquest of Iberia.
730 Necronomicon written by Abdul Alhazred (d. 738).
731 The Venerable Bede (672-735) writes his History.
732 Battle of Tours
Ludvig Prinn writes De Vermis Mysteriis Von Junzt writes Unspeakable Cults Comte d’Erlette writes Cultes des Goules
763-809 Harun Al-Rashid
Ali Baba and the 40 Thieves
Sinbad makes his voyages.
778 Roland killed at the Battle of Roncesvalles
782 Alcuin becomes tutor to Charlemagne’s court.
793 Raid on Lindisfarne begins the Viking era.
800 Crowning of Charlemagne (742-814) as Holy Roman Emperor.
849-899 Alfred the Great
c. 850 Events of Hamlet
850 Settlement of Iceland
854 Pope Joan, disguised as a man, serves as pontiff for two years
859 House of Flying Daggers emerges to fight the Tang Dynasty