1977 Kelantan Emergency
The state of emergency was declared by the Yang di-Pertuan Agong , Sultan Yahya Petra who also Sultan of Kelantan at the time on 8 November 1977 upon the request of the federal government following a political impasse and street violence in Kelantan . 
<triplet> Sultan Yahya Petra <subj> Yang di-Pertuan Agong <obj> position held <subj> Sultan of Kelantan <obj> position held