Explanation

Giving salaries to scholars and teachers was started during the time of Caliph Umar (RA).

Hazrat Umar ibn al-Khattab was the second caliph of Islam.

He was ruled for 10 years from 634 CE to 644 CE.

He succeeded Hazrat Abu Bakr.

He was instrumental in expanding the Islamic state.

Explanation

Angel Jibril (Gabriel) is referred to as "Rooh ul Ameen" 

Hazrat Jibrail عَلَيْهِ ٱلسَّلَامُ is the Angel of Allah Almighty who used to bring down revelations to the prophet

The Holy Qurn mentions Hazrat Jibreel (AS) by name only three times.

He is the chief angel.

Explanation

It was only after the Battle of Mutah (629 A.D.)

—wherein Khalid broke nine swords during the fight

—that he was awarded the title of "Saif Ullah al-Maslool" (The Drawn Sword of Allah)

He was a Muslim commander in the service of the:

• Prophet Muhammad
• Caliph Abu Bakr
• Umar

He was  born in  592 AD, in Mecca

He Died: in 642 AD, in Homs‎, Syria

They were Buried in Khaled Ibn Walid Mosque, in Syria

Explanation

• Yaqub was also known as Israel.
• He is the son of Ishaq (father) and Rafqa (mother)‎
• He was the grandson of Hazrat Ibrahim A.S.
• Hazrat Ishaq was the younger brother of Hazrat Ismail A.S
• He has 12 Children including Yusuf and Binyamin
• His name mentioned 16 times in the Quran
• He was born in Palestine,
• He met his son Hazrat Yousaf (AS) after a period of 40 years
  
• • The Holy Qur'an has mentioned his story in a beautiful chapter entitled "Surah Yusuf".