Hassan II Mosque a single landmark monument in Casablanca by stating: The building was commissioned by King Hassan II to be the most ambitious structure ever built in Morocco. It was designed by the French architect Michel Pinseau who had lived in Morocco, and was constructed by the civil engineering group Bouygues. Work commenced on July 12, 1986, and was conducted over a seven-year period. Construction was scheduled to be completed in 1989 ready for Hassan II's 60th birthday. During the most intense period of construction, 1400 men worked during the day and another 1100 during the night. 10,000 artists and craftsmen participated
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