Refer to the passage below and then answer the question afterwards in the same language as the passage:

Passage: Prince Henry, Duke of Gloucester,  (Henry William Frederick Albert; 31 March 1900 – 10 June 1974) was the third son and fourth child of King George V and Queen Mary. He served as Governor-General of Australia from 1945 to 1947, the only member of the British royal family to hold the post.

Question: When was Henry born?
31 March 1900