It shows that he was steadfast and supporter of justice. Abu Lulu Feroze, his murderer had asked for an unfair concession which was against justice. He said to Hazrat Umar that his master, Mughira B. Shuba charged him 2 dirhams per day which was hard for him to earn, indeed, if Lulu had worked harder, it was easy to earn 2 dirhams. That is why Hazrat Umar refused his claim and this lead to his death.
Umar Israilov died in 2009.
Teuku Umar died in 1899.
Umar Bakkalcha died in 1980.
Umar Mihayshi died in 1984.
Umar Dimayev died in 1972.
Umar II died in 720.
Umar of Borno died in 1881-12.
The first Four Caliphs are Called the Rightful (Rashidoon) Caliphs. They were in order of seniority: Hazrat Abubakr who died his natural death. Hazrat Umar was assasinated in the Majid i - Nabwi when he came to lead the Fajr prayer. Hazrat Usman was assasinated by the rebels. Hazrat Ali was also assinated while he came to lead the Fajr prayer. In fact, the first four Caliphs didn't keep any body guard.
Umar ibn Hafsun died in 918.
Mian Umar Hayat died in 1996.
Al-Muzaffar Umar died in 1191.
Umar Wirahadikusumah died on 2003-03-21.