Robert the Monk advises Christians to return to Jerusalem for the remission of their sins and to reclaim the holy ciyt.
Brings temporary and ambiguous, but successful peace between Spain and Portugal's expanding empires.
Genoan Vivaldi brothers attempt to round African Continent but fail.
Prince Henry sends out 15 expeditions but they all fail to round the African Continent
John Harrison's time piece used to accurate calculate longitude at sea is tested and works.
One of the last Great Khans
Pope Gregory XIII removes 11 days from calendar (creating Gregorian calendar) to repair accumulated discrepancies of Julian calendar.