His Majesty King Birendra Bir Bikram Shah Dev (Nepali: श्री ५ महाराजाधिराज वीरेन्द्र वीर विक्रम शाह देव) (28 December 1945 – 1 June 2001) was the tenth Shah Ruler and the King of Nepal from 1972 until his assassination in 2001. He was the eldest son of King Mahendra.