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Umar ibn al-Khattab عُمَر بْنُ الْخَطَّاب

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The second of the four Rightly Guided Caliphs (r. 13–23 AH / 634–644 CE) — known as al-Faruq, ‘the one who distinguishes truth from falsehood' — under whom Islam expanded from the Arabian Peninsula across Persia, the Levant, and Egypt.

Overview

ʿUmar ibn al-Khaṭṭāb (Arabic: عُمَر بْنُ الْخَطَّاب) was the second of the four al-Khulafāʾ ar-Rāshidūn (Rightly Guided Caliphs), succeeding Abu Bakr aṣ-Ṣiddīq in 13 AH (634 CE) and ruling for ten years until his assassination in 23 AH (644 CE). He is honoured by the title al-Fārūq ("the one who distinguishes truth from falsehood"), given to him by the Prophet Muhammad ﷺ in recognition of his decisive moral judgement. Sunni doctrine ranks him as the second-best of the Sahaba, after Abu Bakr; he is one of the al-ʿAsharah al-Mubashsharūn bi-l-Jannah — the ten Companions promised Paradise during their lifetimes.

His pre-Islamic biography is unusual: born around 584 CE into the Banu ʿAdī clan of Quraysh, he was initially one of the most determined opponents of the early Muslim community. His conversion in the sixth year of prophethood is recounted in the Sirah literature as a major turning point — he set out to kill the Prophet ﷺ, was diverted by news that his own sister Fāṭimah had accepted Islam, was struck by hearing her recite Surah Ṭāhā, and went directly to the Prophet ﷺ to declare his Islam. The Prophet ﷺ said: "O Allah, strengthen Islam with the more beloved to You of these two men: ʿUmar ibn al-Khaṭṭāb or ʿAmr ibn Hishām (Abu Jahl)" (Jami at-Tirmidhi 3681, graded Hasan by al-Albani).

His ten-year caliphate is regarded by classical historians as one of the most consequential decades in human history. Under his command Islam expanded from a regional Arabian polity into a continental power: the Sasanian Persian empire fell, Byzantine Sham (Syria) and Egypt came under Muslim rule, and Jerusalem was taken without battle by treaty. His administrative innovations — the dīwān (state register), the Hijri calendar (instituted from the Hijra of the Prophet ﷺ), the ʿushr land tax, the office of the qādi — became the foundation of Muslim governance for centuries.

Lineage and conversion

ʿUmar was of the Banu ʿAdī, one of the Quraysh clans, with a lineage that joined the Prophet ﷺ at Kaʿb ibn Luʾayy. His father al-Khaṭṭāb was known for his harsh temper. ʿUmar was reputedly literate at a time when literacy was uncommon in Mecca, and was an envoy of Quraysh in disputes with other tribes.

His conversion came around the sixth year of prophethood, when about forty Muslims had become public. The Prophet's ﷺ supplication that one of two ʿUmars (ʿUmar ibn al-Khaṭṭāb or ʿAmr ibn Hishām) be guided was answered. After his Islam, the Muslims prayed openly at the Kaaba for the first time, and ʿUmar himself led their first public march in the streets of Mecca.

Quranic references

Several verses of the Quran are reported by classical commentators to have been revealed in agreement with ʿUmar's prior recommendations. Sahih al-Bukhari 402 records ʿUmar himself enumerating three: the verse on taking the Maqam of Ibrahim as a place of prayer (Surah Al-Baqarah 2:125); the verse on the veiling of the Prophet's ﷺ wives (Surah Al-Ahzab 33:53); and the verse rebuking the Prophet's ﷺ wives after a particular incident (Surah At-Tahrim 66:5). Other classical tradition adds the verses on the prohibition of intoxicants and the prisoners of Badr.

  • Surah Al-Baqarah 2:125 — the Maqam of Ibrahim as a place of prayer.
  • Surah Al-Ahzab 33:53 — the veiling of the Prophet's ﷺ wives.
  • Surah At-Tahrim 66:5 — addressing the Prophet's ﷺ wives.

Role during the Prophet's ﷺ life

ʿUmar was a senior advisor to the Prophet ﷺ and present at every major event after his conversion: Badr (2 AH), Uhud (3 AH), the Trench (5 AH), Hudaybiyyah (6 AH), Khaybar (7 AH), the Conquest of Mecca (8 AH), and Tabuk (9 AH). His daughter Ḥafṣah married the Prophet ﷺ — making ʿUmar one of two father-in-laws of the Prophet ﷺ alongside Abu Bakr (whose daughter ʿĀʾishah was also married to the Prophet ﷺ).

The caliphate (13–23 AH)

Abu Bakr appointed ʿUmar as his successor on his deathbed, after consultation with senior Companions. ʿUmar's ten years included:

The major conquests

  • Sasanian Persia — Battle of al-Qādisiyyah (15 AH) under Saʿd ibn Abi Waqqas; conquest of Madāʾin (the imperial capital) the same year; final defeat of the Sasanians at Nahāwand (21 AH).
  • Byzantine Sham — Battle of Yarmouk (15 AH) under Khalid ibn al-Walid and Abu ʿUbaydah; conquest of Damascus, Homs, Aleppo. The capture of Jerusalem (16 AH) was achieved by treaty; ʿUmar travelled personally to receive its surrender from Patriarch Sophronius and signed the famous al-ʿUhdah al-ʿUmariyyah guaranteeing the safety of the city's Christians and their churches.
  • Egypt — Conquest under ʿAmr ibn al-ʿĀṣ (18–21 AH); founding of the city of Fusṭāṭ.

Administration

  • The dīwān — a state register of Muslim soldiers and their stipends, organised by precedence in Islam (precedence of conversion → kinship to the Prophet ﷺ → service in early battles).
  • The Hijri calendar — instituted in 17 AH, with the year 1 AH set at the Hijra of the Prophet ﷺ to Medina.
  • The ʿushr (tithe) and kharāj (land tax) systems — the conquered Sawād (lower Iraq) was kept as state land worked by its previous farmers under a tax, rather than being divided among the conquerors.
  • The office of qāḍī — independent judicial appointments in major cities.
  • The institution of tarāwīḥ in congregation in Ramadan — ʿUmar gathered the Companions to pray behind one imam (Ubayy ibn Kaʿb) at the Prophet's ﷺ Mosque (Sahih al-Bukhari 2010).

Famous hadith on ʿUmar

Abu Hurayra reported the Prophet ﷺ said: "There were among the nations before you who were inspired (muḥaddathūn), and if there is anyone like that in my nation, it is ʿUmar." — Sahih al-Bukhari 3469; Sahih Muslim 2398
Saʿd ibn Abi Waqqāṣ reported the Prophet ﷺ said to ʿUmar: "By the One in whose hand is my soul, Shayṭān never meets you walking down a road without taking another road." — Sahih al-Bukhari 3683; Sahih Muslim 2396
Ibn ʿUmar reported the Prophet ﷺ said: "Allah has placed truth on the tongue of ʿUmar and in his heart." — Jami at-Tirmidhi 3682 (graded Sahih by al-Albani); Sunan Abi Dawud 2962

Death

ʿUmar was assassinated on 26 Dhu al-Hijjah, 23 AH (3 November 644 CE), stabbed during the Fajr prayer at Masjid an-Nabawi by Abu Luʾluʾah, a Persian slave. He died three days later, aged 63 (the same age as the Prophet ﷺ and Abu Bakr). On his deathbed he appointed a six-man Shūrā council to choose the next caliph; they chose ʿUthman ibn ʿAffān. ʿUmar is buried beside the Prophet ﷺ and Abu Bakr in the chamber of ʿĀʾishah at Masjid an-Nabawi.

Legacy and significance

ʿUmar's caliphate is the historical foundation of Muslim political and administrative practice. Classical historians (al-Tabari, Ibn Kathir, al-Suyuti) and modern scholars alike treat his reign as the period in which Islam transformed from a regional reform movement into a global religious-political reality. His austerity, accessibility to ordinary Muslims, fierce justice, and personal humility — walking unguarded into Jerusalem in patched garments to receive its surrender — became the template of the just Muslim ruler.

See also

References

  1. The Quran (Sahih International translation): Surahs Al-Baqarah 2:125; Al-Ahzab 33:53; At-Tahrim 66:5.
  2. Sahih al-Bukhari, hadith nos. 402, 2010, 3469, 3683. Trans. M. Muhsin Khan.
  3. Sahih Muslim, hadith nos. 2396, 2398. Trans. Abdul Hamid Siddiqui.
  4. Jami at-Tirmidhi 3681, 3682, graded by al-Albani.
  5. al-Suyuti, Tarīkh al-Khulafāʾ, chapter on ʿUmar.
  6. Ibn Kathir, al-Bidāyah wa-an-Nihāyah, vol. 7.
  7. al-Tabari, Tārīkh ar-Rusul wa-l-Mulūk, vols. 4–5.
  8. al-Dhahabi, Siyar Aʿlām an-Nubalāʾ, vol. 2 — life of ʿUmar.
  9. Ali Muhammad as-Sallabi, ʿUmar ibn al-Khaṭṭāb: His Life and Times, trans. Darussalam (2 vols.).