Question: In what year did the Britain Burma Society founded under the distinguished patronage of  Earl Mountbatten of Burma, Sir Hubert Rance whose formal prefix Sir was strictly governed by law and custom as an honorific address?
Facts:
Britain–Burma Society is founded in under Sir Hubert Rance in 1957
Sir is an honorific address
Sir is used for males where usage is strictly governed by law and custom.
Answer: 1957