Title conferred on the eldest son of the UK's sovereign. Prince Charles was invested as 21st prince of Wales at Caernarfon in 1969 by his mother, Elizabeth II.
Initially the sun and moon had human faces, but they were removed when the flag was updated in 1962. The flag is said to express the hope that Nepal will endure as long as the sun and the moon. The blue border symbolizes peace. Effective date: 16 December 1962.