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,
Hassan II Mosque designed madrasa occupies an area of including the basement. Two stories in height, it is constructed in a semi-circular shape, with abutting qibla wall and the mihrab section. The historical context of the mosque began with the death of King Mohammed V in 1961. King Hassan II had requested for the best of the country's artisans to come forward and submit plans for a mausoleum to honour the departed king; it should "reflect the fervor and veneration with which this illustrious man was regarded." In 1980, during his birthday celebrations, Hassan II had made his ambitions very clear for creating