Annals of the early Caliphate from the death of Mahomet to the Omeyyad and Abbaside dynasties A.H. XI-LXI (A.D. 632-680) from original sourcesNote 405 — Chapter XXVII · THE LATER YEARS OF OMAR’S REIGN—DOMESTIC EVENTS. A.H. XVII.-XXIII. A.D. 638–644.Reading editionSura xxviii. 4.◇Copy noteReturn to CHAPTER XXVII. THE LATER YEARS OF OMAR’S REIGN—DOMESTIC EVENTS. A.H. XVII.-XXIII. A.D. 638–644.