During the Middle Ages, the dominant religion was Catholic Christianity. There were other sects of Christians, some of which were considered heretical and some not.
Answer:The Hijri Year
Explanation:That event took place in 622 AD and marks the start of the annual count. According to the Islamic calendar, 2019 in the Gregorian calendar is the year 1440
A young egyptian might rise in social status by becoming a soldier.
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Government became necessary in order to rule the people