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?
Sentence (from "Countess Mountbatten of Burma"): Countess Mountbatten of Burma is a peerage in the United Kingdom encompassing certain of the wives and daughters of the Earl Mountbatten of Burma.
Relevant evidence: No