During the caliphate of which leader was the Holy Quran compiled into a single authoritative copy?

Which core governance framework was institutionalized during early Islamic administrative history phase 2?

Which core governance framework was institutionalized during early Islamic administrative history phase 9?

The Treaty of Hudaybiyyah was concluded between the Muslims and the Quraysh in which Hijri year?

Which option correctly identifies the Event marking start of Hijri era?

Which option correctly identifies the First Rightly Guided Caliph?

Which option correctly identifies the Second Rightly Guided Caliph?