The following year , U.S.-backed Gen. Lon Nol declared a coup d'etat while the king was on an official visit to the Soviet Union and abolished the monarchy . Late Cambodia King-Father Norodom Sihanouk cremated Monday in Phnom Penh . Died last October at the age of 90 , has been lying in state at Royal Palace . Hide Caption 8 of 11 Sihanouk ruled Cambodia for 60 years until his abdication in 2004 .
Late Cambodia King-Father Norodom Sihanouk cremated Monday in Phnom Penh . Died last October at the age of 90 , has been lying in state at Royal Palace . Hide Caption 8 of 11 Sihanouk ruled Cambodia for 60 years until his abdication in 2004 .