Question: When is Prince Himalaya Of Nepal's father's birthday?
Sentence (from "Tribhuvan of Nepal"): Born in Kathmandu, the capital city of Nepal, he ascended to the throne at the age of five, upon the death of his father, King Prithvi Bir Bikram Shah, and crowned on 20 February 1913 at the Nasal Chowk, Hanuman Dhoka Palace in Kathmandu, with his mother acting as regent.
Relevant evidence: No