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#British-Us-Intelligence

Events indexed under #British-Us-Intelligence — 1 entry in the record.

1 events From Jan 16, 1917 To Jan 16, 1917 Open in filter view →
DateEventLanesStatus
1917-01-16British Intercept Zimmermann Telegram, Demonstrating Value of Signals Intelligence to U.S. Policy
Arthur Zimmermann · British Admiralty Room 40 · Woodrow Wilson · Walter Hines Page · +1
confirmed