The Zimmermann telegram and Room 40
...thought that their signals might also be collected. If the Germans then became aware of this and changed their codes, the intelligence advantage would be lost. Only when the Admiralty...
...thought that their signals might also be collected. If the Germans then became aware of this and changed their codes, the intelligence advantage would be lost. Only when the Admiralty...
...Embassy Counsellor. Holman had arrived earlier in the month with the combination codes to the safes and 50,000 francs in cash. He took possession of the building from the Swiss...