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History of British Military Intelligence

Put together thanks to the contributionsof the MIM's digital volunteer team. Click here to learn how you can join our volunteer team.

1899-1902: Boer War Intelligence

Ad Hoc to Doctrine

The Boer War's influence on the conduct of military intelligence

1917: The Zimmerman Telegram

The Royal Navy's Interception of a key German telegram which helped convince the United States to join the First World War

1924: The Zinoviev Letter

The 'Fake News' scandal which rocked the 1924 election

1939: The Oslo Report

A report by a German scientist containing some of the most spectacular leaks in intelligence history

1942: The Bruneval Raid

The First successful action by British paratroopers

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