Hassan II Mosque in building and beautifying the mosque. However, the building was not completed on schedule which delayed inauguration. The formal inauguration was subsequently chosen to be the 11th Rabi' al-awwal of the year 1414 of the Hegira, corresponding to 30 August 1993, which also marked the eve of the anniversary of Prophet Muhammad’s birth. It was dedicated to the Sovereign of Morocco. Construction costs, estimated to be about 585 million euro, were an issue of debate in Morocco, a lower mid-income country. While Hassan wished to build a mosque which would be second in size only to the mosque at Mecca,
Leo II (emperor) II ascended the throne. On 9 February 474, the Byzantine Senate made his father Zeno co-emperor under Leo II, as Leo II was too young to sign official documents. Leo II died soon after, on 10 November 474, at the age of 7, leaving Zeno as the sole emperor. His death having occurred so soon after he became emperor has led to speculation among some modern scholars that he was poisoned by his mother Ariadne so that Zeno could ascend to the throne. However no contemporary sources raised this suggestion, even though Zeno was unpopular, thus it is considered likely