This is a sub-article to Umar

Umar

`Umar ibn al-Khattāb c. 2 November , was a leading companion and adviser to the Islamic prophet Muhammad who later became the second Muslim Caliph after Muhammad's death....

Umar (died 644) was the second Sunni caliph

Caliph

The Caliph is the head of state in a Caliphate, and the title for the ruler of the Islamic Ummah, an Islamic community ruled by the Shari'ah. It is a transcribed version of the Arabic word   which means "successor" or "representative"...

, regarded by Sunnis as the second of the four Rashidun

Rashidun

The Rightly Guided Caliphs or The Righteous Caliphs is a term used in Sunni Islam to refer to the first four Caliphs who established the Rashidun Caliphate. The concept of "Rightly Guided Caliphs" originated with the Abbasid Dynasty...

 and one of the greatest personalities of the history of Islam. Sunni and Shi'a hold diametrically opposite views of `Umar, the Shi'a viewing that he and Abu Bakr

Abu Bakr

Abu Bakr was a senior companion and the father-in-law of the Islamic prophet Muhammad. He ruled over the Rashidun Caliphate from 632-634 CE when he became the first Muslim Caliph following Muhammad's death...

 usurped authority that properly belonged to Ali

Ali

' |Ramaḍān]], 40 AH; approximately October 23, 598 or 600 or March 17, 599 – January 27, 661).His father's name was Abu Talib. Ali was also the cousin and son-in-law of the Islamic prophet Muhammad, and ruled over the Islamic Caliphate from 656 to 661, and was the first male convert to Islam...

.

634 – 644: Umarرضي الله عنه era

stats that An-Nawawi said in his Tahdhib:

• Hadith of Umarرضي الله عنه speech of forbidding Mut'ah

Merits

Sunnis honor him as the following:

• One of the Rashidun
  Rashidun
  The Rightly Guided Caliphs or The Righteous Caliphs is a term used in Sunni Islam to refer to the first four Caliphs who established the Rashidun Caliphate. The concept of "Rightly Guided Caliphs" originated with the Abbasid Dynasty...
  
  
• One of the Ten Promised Paradise
  Hadith of the ten promised paradise
  The prophet Muhammad, in a Hadith accepted by Sunni Muslims, specified ten of his companions who were promised paradise. Those companions named in this Hadith are referred to by Sunnis as The Ten Promised Paradise...
  
  
• one of the in-laws of Muhammad صلي الله عليه وسلم
• one of the great men of knowledge of the Companions
• one of their abstinent people.

Non-Muslim view

wrote: