Tuesday marks the 100th anniversary of a remarkable success for British intelligence: but one that involved spying on the United States and then conspiring with its senior officials to manipulate ...

The famous Zimmermann Telegram, often credited as the decisive factor that brought America into World War I, turns out to have been far less influential than history suggests. These include The ...

The Zimmermann Telegram and Germany 's secret offer to Mexico On January 17, 1917, British naval intelligence handed American ambassador Walter Page a decoded message that had been sent by German ...

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