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,
Khaled al-Hassan members, Hassan was one of them. In 1968, al-Hassan was elected to the Palestine Liberation Organization Executive Committee (PLO-EC) after Fatah took control of the Palestine Liberation Organization (PLO) in 1968. Early that year, al-Hassan persuaded Saudi King Faisal to enforce the "liberation tax" which required Palestinians in that country to pay a percentage of their income to the PLO. This, in turn, supplied the PLO with 60 million riyal yearly. Also, in that year, he spoke to the Egyptian Foreign Minister Mahmoud Riyad and Mohammad Hassanein Heykal on behalf of Gamal Abdel Nasser in order to familiarize him with