Abdul Halim of Kedah
Al-Mu’tassimu Billahi Muhibbuddin Sultan Abdul Halim Mu'adzam Shah ibni Almarhum Sultan Badlishah was the 28th Sultan of Kedah from 1958 until his death in 2017, and served twice as the Yang di-Pertuan Agong from 1970 to 1975 and from 2011 to 2016. He was the first and only ruler to reign as Yang di-Pertuan Agong twice, as well as the oldest elected to the office. Prior to his death, he was the second longest-reigning living monarch in the world after Queen Elizabeth II of the United Kingdom.
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