640
ID: 3802
St. John Climacus writes Ladder of Divine Ascent - synthesizes desert spirituality for Eastern monasticism
ID: 3802
640
ID: 3905
Severinus becomes seventy-first pope - imperial troops loot Lateran treasury during his reign
ID: 3905
640
ID: 3906
John IV becomes seventy-second pope - ransoms Christian slaves from Dalmatia
ID: 3906