Caliphate


1. First Islamic university, the Bayt al-Hikmah (House of Wisdom), in Baghdad was established by?

2. "May Allah have mercy on Umar, who raised our wages when prices were high" was said by?

3. When did the Rashidun Caliphate begin?

4. Who was the first caliph of the Rashidun Caliphate?

5. How long did the Rashidun Caliphate last?