Hassan II of Morocco Sultan to King in 1957. Hassan was proclaimed Crown Prince on 19 July 1957, and became King on 26 February 1961, after his father's death. Hassan's conservative rule, one characterized by a poor human rights record, strengthened the Alaouite dynasty. In Morocco's first constitution of 1963, Hassan II reaffirmed Morocco's choice of a multi-party political system, the only one in the Maghreb at that time. The constitution gave the King large powers he eventually used to strengthen his rule, which provoked strong political protest from the UNFP and the Istiqlal parties that formed the backbone of the opposition. In 1965,
1920 in Greece father King Constantine, and, constitutionally, my eldest brother is his successor. Neither of them has ever renounced his rights, but both have been obliged to leave Greece in obedience to the dictates of their patriotic duty." Prince Paul then went on to say that he could not ascend the throne in the existing circumstances. "I would only ascend the throne if the Hellenic people were to decide that it did not want the return of my august father, and were to exclude the Crown Prince George from his right of succession." This declaration by Prince Paul placed the government in