Wikidata facts
- Instance of
- division
- Part of
- Secret Intelligence Service
- Main subject
- password cracking
- Conflict
- World War I
- Image
- Admiralty office Whitehall 1760 D Cunego.jpg
Show 3 more facts
- inception
- 1914-00-00
- dissolved, abolished or demolished date
- 1919-00-00
- Commons category
- Room 40
Sources (1)
via Wikidata · CC0