230K views · 2K reactions | She spent a decade waiting for a secret code that would prove life after death. #history #facts #knowledge | The History Archives | Facebook

56K views · 1.2K reactions | This secret code, based on the Navajo language, was never broken by enemy forces in WWII. #history #facts | Online Updates | Facebook

During WWII, the fate of the world depended on the codebreakers at Bletchley Park, Britain's super-secret headquarters for cracking the "unbreakable" Enigma machine. Against the odds, these schoolboys, academics, and crossword fanatics turned Germany's greatest weapon into its greatest liability. This fascinating documentary offers first-hand accounts of "Station X" and how they cracked the code. | Timeline - World History