What was the military system in the reign of Hazrat Umar?
updated on 2,Aug,2026 *The Military System in the Reign of Hazrat Umar ibn Al-Khattab (RA)* *Introduction* The reign of the second Caliph of Islam, *Hazrat Umar ibn Al-Khattab (RA) 13-23 AH / 634-644 CE*, marks a turning point in Islamic history. It was during his Khilafat that Islam transformed from a regional state into a world empire stretching from Persia to Egypt and North Africa. This rapid expansion was not accidental. It was the result of a highly organized, disciplined, and revolutionary military system that Hazrat Umar established. While Hazrat Abu Bakr (RA) had led successful campaigns against the apostates and initiated wars against the Byzantines and Sassanids, there was no permanent, institutionalized army during his time. Hazrat Umar realized that to manage a growing empire and continuous conquests, Islam needed a standing, regular army with rules of recruitment, salary, training, logistics, and administration. His reforms laid the foundation of Islami...