His Highness the Emir Sheikh Tamim bin Hamad al-Thani, His Highness the Deputy Emir Sheikh Abdullah bin Hamad al-Thani and HE the Prime Minister and Interior Minister Sheikh Abdullah bin Nasser bin Khalifa al-Thani sent yesterday cables of congratulations to HM Sultan Qaboos bin Said on Oman’s National Day. Oman celebrated its 47th National Day with a number of ceremonies including military parades and other events.