Original: The Islamic world was experiencing a Golden Age around the year 1000 and continued to flourish under the Islamic Empires ( including the Ummayad , Abbasid and Fatimid caliphates ) , which included what is now the Middle East , North Africa , Central Asia and Iberian Peninsula .
Simplified: In the Gregorian Calendar ( not invented at the time ) the year would have been a common year starting on Wednesday .