Hussein, Crown Prince of Jordan being King Hussein's eldest son; the King had appointed his younger brother Prince Hassan as heir designate in 1965. Shortly before his death on 7 February 1999, the King replaced Hassan with Abdullah. When Abdullah became king, he named his younger half-brother, Prince Hamzah, as heir designate on his accession. On 28 November 2004, King Abdullah removed Hamzah from his title as crown prince. Though the title of crown prince was left vacant, the Constitution of Jordan provides for agnatic primogeniture, meaning the monarch's eldest son is automatically first in the line of succession to the Jordanian throne unless decreed
Hussein of Jordan assassinated. A 3,000-man Syrian force started moving south towards the Jordanian border in support of what they perceived as a coup attempt, but turned around after the army units showed their loyalty to the King. Two principal accounts emerged regarding the events at Zarqa, with the royalist version holding that the incident was an abortive coup by army chief of staff Ali Abu Nuwar against King Hussein, and the dissident version asserting that it was a staged, American-backed counter-coup by Hussein against the pan-Arabist movement in Jordan. In either case, Abu Nuwar and other senior Arabist officers resigned and were