Question

Where did Arabs attack first at the time of Amar Khalifa in 636 A.D.?

Answer 1

Answer:

The Arabs attacked Persia which was under the Sasanian Empire at that time.

Explanation:

Amar Khalifa also known as Umar Khalifa (584 – 644 AD) was one of the most powerful and prominent Caliphs of the Rashidun Caliphate. Umar Khalifa was the closest companion of Prophet Mohammad and was known to be very pious and just. The Caliphate expanded under him, taking over most of the Byzantine and Sasanian empires.