Wars and Expedition during Hazrat Umar (RA) RULE



After elected as Caliphate, Hazrat Umar (RA) was faced with the immediate geopolitical situation in West Asia. The Arabian Peninsula is a vast desert, except for its southwestern tip near Najran and Yemen, where the monsoons bring in rain from the Indian Ocean and make the area fertile. To the north, the extent of the desert is marked by the Jordan River, which separates it from the hills of Palestine and Lebanon. To the east, its boundaries are marked by the Euphrates. The area between the Rivers Euphrates and Tigris is called the Jazira (island). This area, known in ancient times as Mesopotamia, was called Iraq e Arab in the early Islamic period. The waters of the two rivers irrigate this area and have made it the cradle of civilizations. East of the River Tigris, the land gradually rises into the Persian Plateau leading into the heartland of ancient Fars. The Arabs called this area Iraq e Ajam and it included the Farsi (Persian) speaking areas of Khuzistan, Hamadan, Fars, Persepolis, Isfahan, Azerbaijan, Khorasan, Makran and Baluchistan.

The Persian and Byzantine empires held the balance of power in the region with the Euphrates River as the historical divide between their respective areas of influence. Persia also controlled Yemen and the territories along the Red Sea north to Mecca and Madina. The emergence of Islam and the unification of the Arabs altered this balance of power. It was a situation that neither the Byzantines nor the Persians could ignore. Khosroe, the emperor of Persia, was on record as having ordered an assault on Madina. The Byzantines had attacked on the northern frontier and had killed the Muslim general Hazrat Zaid bin Haris (632). Border clashes had begun during the Caliphate of Hazrat Abu Bakr (RA) between the newborn Islamic state and the two superpowers. The triumph of Hazrat Omar (RA) over the mighty empires of Persia and Byzantium within a brief span of ten years is one of the most remarkable stories in military history.





  1. Expedition to Jerusalem

When Hazrat Umar (RA) became the Caliph, the campaign in Syria was continuing. The Battle of Yarmuk (636) had broken Byzantine resistance but Palestine was not yet subdued. Hazrat Umar (RA) commanded Hazrat Amr bin al As (RA) to proceed from Yarmuk to Jerusalem. Since resistance was hopeless, the Patriarch of Jerusalem offered the keys to the city provided the Caliph himself came up to accept them. When the Caliph heard of this, he appointed Hazrat Ali ibn Abu Talib (RA) as the acting Caliph and set out north from Madina. Hazrat Umar ibn al Khattab (RA) was now the Caliph of all of Arabia and of surrounding territories. He could have traveled as a conqueror in pomp and luxury. But he, like the other Companions, had received his training from the Prophet Muhammed (SAW). Theirs was the kingdom of heaven and not of this earth. They held the key to the treasures of the earth but only as a Divine Trust as servants of the Lord. Hazrat Umar (RA) traveled north on one camel with a single attendant, taking turns with him for the ride. As he approached Jerusalem, it so happened, the attendant was on the camel and the Caliph was walking alongside. The rulers of Jerusalem thought that the rider was the Caliph and the man on foot, in his patched clothes, was the servant. They offered abeyance to the rider. When the Muslim commanders greeted the real Caliph, the monarchs of Jerusalem were astonished and bowed down in respect.



Hazrat Umar (RA) treated the conquered people with unsurpassed generosity of spirit. The surrender document signed with the Christians upon the fall of Jerusalem provides an example:

“This is the safety given by a servant of God, the leader of the faithful, Omar ibn al Khattab (r) to the people of Ilia. This safety is for their life, property, church and cross, for the healthy and the sick and for all their co-religionists. Their churches shall neither be used as residence nor shall they be demolished. No harm shall be done to their churches or their boundaries. There shall be no decrease in their crosses or riches. There shall neither be any compulsion in religion nor shall they be harmed.”

The document speaks for itself. The Muslim armies were fighting for the freedom of worship, not for religious conversion. They considered it their mission on earth to free humankind from the yoke of exploitation and abuse. Hazrat Omar (RA) stayed for a few days in Jerusalem and after inspecting the army positions in Syria, returned to Madina.



  1. Campaign to Persia

  • Hazrat Umar (RA) Chose Sa’ad ibn Waqqas to lead the army
  • Strength of Muslim Army: 20,000
  • Persian Commander : General Rustam
  • Strength of Persian Army: 50,000 seasonal soldiers
  • Result of the war: Rustam slain in the end



The Byzantines tried to regroup in Egypt and use it as a base to recover Syria. In 641, Hazrat Umar (RA) sent an expedition under Hazrat Amr bin al As to Alexandria. The Copts were neutral in this test of strength between the Byzantines and the Muslims. Alexandria fell and the Muslim armies continued their advance as far as Tripoli in Libya.

Meanwhile, the eastern front with Persia was active. The Persians did not take lightly their losses in the border areas west of the Euphrates River. They reorganized, put their western defenses under the famous Khorasani General Rustam and reinforced him with the services of two able officers, Narsi and Jaban. The withdrawal of Khalid bin Walid from the Iraqi front to Syria had weakened Muslim defenses. So, Al Muthannah went to Madina and sought additional troops. Caliph Umar (RA) permitted him to raise a new army, allowing for the first time the recruitment of men from the Arab tribes that had at one time become apostates. Abu Obaid Saqafi was selected to lead this new army. Skirmishes started immediately between the opposing forces. Abu Obaid met the Persian officer Jaban at the Battle of Namaraq and defeated him. He followed it up with a victory over Narsi at the Battle of Maqatia. Undaunted, the Persian commander Rustam sent a new army under Mardan Shah and reinforced it with a hundred war elephants. The Arabs had no experience fighting elephant-mounted troops. In the ensuing battle, Abu Obaid was trampled under one of the elephants and the Arab forces were sent reeling back across the Euphrates.

It was now obvious that what had started as a border war had become a test of strength between the Muslims and the Persian Empire. Hazrat Umar (RA) called a meeting of all the Arab nobles for consultation and offered to personally lead a campaign to Persia. However, upon the advice of Hazrat Ali ibn Abu Talib (RA), the Caliph chose Sa’ad ibn Waqqas to lead an army of 20,000 towards Persia. Sa’ad ibn Waqqas was a Companion of the Prophet and a veteran of the Battle of Badr. Among those embarking on the mission were seventy Companions of the Prophet who had fought at the Battle of Badr. The inclusion of Badri Companions increased the fervor of Muslims to a feverish pitch. Even some of the Christian tribes in the border areas offered to support the Muslim army. On the opposing side, the Persian General Rustam was at the head of 50,000 seasoned soldiers.

As directed by the Caliph, Sa’ad ibn Waqqas sent a peace mission to Rustam headed by Muthanna ibn Harith. Rustam, cognizant of the motivation of the Arab soldiers, directed the Arab delegation to Emperor Yazdgard. The Persian Emperor received the Muslims with great pomp and offered to pay them a rich bounty provided they returned to their homeland. In reply, Muthanna ibn Harith offered the Emperor three choices. One, accept submission to God, become a Muslim and a brother in faith. Two, accept protection of the Muslim state and pay Jizyah. Three, if the first two were unacceptable, face war. The Emperor was upset at these suggestions, told them he would have them killed were they not on a peace mission and sent them back with a handful of dust from the Persian soil, admonishing that the Arabs would get no more than that pitiful amount of dust from Persia.

War became inevitable and the trumpet was blown. At this juncture, Rustam made a tactical blunder. The Persian soldiers wore heavy armor, unsuitable for warfare in the desert. The Arabs, on the other hand, had no armor and were used to mobile desert warfare. Against his own better judgment, Rustam chose for the upcoming confrontation the plain of Qadasia in the desert, about forty miles from the Euphrates. The desert heat sapped the strength of the Persian soldiers in their heavy armor. In the initial combat, the elephants in the Persian army created enormous difficulty for the Muslim warriors. For two days, the battle went on and was indecisive. On the third day the wheels of fortune turned as the Arab soldiers, seeking to neutralize the elephants, shot sharp arrows at their eyes. The injured elephants turned around and dispersed, trampling their own troops. Rustam fought bravely, but was slain in battle.



  1. The Battle of Qadasia


  • This battle was fought in 637 AD
  • Muslims commander : Sa’ad ibn Waqqas
  • Persian  commander: Yazd Gard
  • Strength of Persian Army :150,000
  • Strength of Muslim Army: 30,000
  • Result of the war: By the year 650, the Persian Empire was completely under the control of Arab armies.

The Battle of Qadasia (637) was one of the turning points in world history. It marked the end of the Persian Empire and the beginning of the Islamic Empire. Persia became a part of the Islamic world and for fourteen hundred years has been a pivotal region in Muslim affairs.

From Qadasia, Sa’ad ibn Waqqas advanced to the city of Babylon, which offered only feeble resistance. The cities of Kosi and Babrasheer followed suit. Madayen, the capital of the Persian Empire, was now within striking distance. The bulk of the Persian army had been lost in the Battle of Qadasia. Yazd Gard tried to slow down the advance of Arab troops by destroying the bridge that linked the western shores of the Tigris River to Madayen. These tactics, however, proved futile. The Arabs put their horses into the river, waded across to the other shore and Madayen fell in 637. The treasures of the Persian capital were now in Muslim hands. Untold amounts of gold, silver, jewels, carpets and artifacts were captured and transported to Madina. Included in the war booty was an elephant that aroused a great deal of curiosity among the ladies in Madina.

Yazdgard fled Madayen towards Merv, in northeastern Persia. Realizing that the war with the Muslims was not just a skirmish but a full-scale invasion, he called on all Persians and their allies to defend Persia. A huge army of 150,000 was assembled and put under the command of Mardan Shah who had already seen action against the Arabs at the Battle of the Euphrates. To inspire the Persians, Mardan Shah was vested with the durafsh, the national emblem of Persia. The governor of Kufa, Ammar ibn Yasser sent this information to the Caliph and asked for additional troops. Hazrat Umar (RA) sent a corps of 30,000 under the command of Numan ibn Muquran. Peace talks proved futile and the two armies met at the Battle of Nahawand. In the initial engagements, Numan ibn Muquran was seriously wounded but the Muslim commanders kept this fact secret from friend and foe alike. Towards the end of the first day, the enemy lines broke and the Muslims were victorious. Numan did not survive his wounds and died that evening.

Persian resistance continued from its eastern provinces. Yazdgard set himself up in Merv and took personal command of his forces. Realizing that an injured enemy is a dangerous enemy, Caliph Hazrat Umar (RA) resolved to put an end to all Persian resistance. From Nahawand, the Arab armies split up, and mounted a multi-pronged drive against Persian strongholds. Hazrat Abi al Aas captured Persepolis. Hazrat Aasim ibn Amr took Sistan. Hazrat Hakam ibn Umair conquered Makran and Baluchistan. Azerbaijan fell to Hazrat Othba ibn Farqad. Hazrat Buqair ibn Abdulla subdued Armenia. A contingent under Hazrat Ahnaf ibn Qais marched on Khorasan. By the year 650, the Persian Empire was completely under the control of Arab armies. Yazdgard fled Persia and died in exile.



Within a decade after the election of Hazrat Umar ibn al Khattab (RA) as the Caliph, the map of West Asia and North Africa had changed. Madina was now the capital of the largest empire in the world, extending from Tripoli in North Africa to Samarqand in Central Asia. This empire was ruled not by a king or a general but by a revolutionary creed: “There is no deity but God and Muhammed is His Messenger”. The Caliph was no more than a servant of God, and the keeper of Divine Laws.

When Caliph Hazrat Umar (RA) was informed of the victories over Persia, he went to the mosque in Madina and addressed the people:

“O believers! The Persians have lost their kingdom. They cannot harm us anymore. God has made you inherit their country, their properties and their riches, so that He may test you. Therefore, you should not change your ways. Otherwise, God will bring forth another nation in place of you. I feel anxiety for our community from our own people”.

These were prophetic words. As we shall see in other articles, the riches of Persia did change the ways of some in Madina and led to the civil wars that tore the Islamic community apart.

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