Coronation of Richard II
Jul 16 Richard II aged 10 crowned King of England at Westminster Abbey, succeeding his grandfather Edward III
First Use of Quarantine
Jul 27 First example of quarantine in Rugusa (now Dubroknik); city council passes law saying newcomers from plague areas must isolation for 30 days (later 40 days, quaranta in Italian)
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V