Omunye wemisebenzi ka-Abu Bakr Al-Siddiq ukusungula usuku lwe-Hijri
Impendulo ithi: Akulungile, u-Amr ibn al-Khattab.
Phakathi kwemisebenzi ka-Omar Ibn Al-Khattab ukuthuthukiswa komlando we-Hijri.
Ube ngowokuqala ukucela ikhalenda le-Hijri, elalihlukile kwamanye amakhalenda ngendlela izinyanga neminyaka ezazibalwa ngayo.
Wabona kunesidingo sokuthi kube nomyalelo emlandweni wabe esethatha isinyathelo sokuwudala.
U-Umar ibn al-Khattab naye wasungula indawo yokulondoloza imali, wasungula izinhlelo zamaphoyisa, futhi wasungula imikhumbi yamaSulumane.
Imizamo yakhe yathuthukisa kakhulu ingqalasizinda yezwe lamaSulumane futhi yasiza ekusakazeni isiko lamaSulumane kabanzi.
Ifa lika-Omar Ibn Al-Khattab lihlala njalo futhi usazokhunjulwa ngamagalelo akhe kuze kube yilolu suku.