TIL In January 1944 the Australian 9th Division found the Japanese 20th Division’s entire cryptographic library in New Guinea. The codes were buried in a steel trunk during a retreat and found by engineers looking for mines. This find lead to around 36,000 messages being decrypted in March alone.

https://www.dvidshub.net/news/436784/japanese-code-library-found-new-guinea

#til #todayilearned

https://www.reddit.com/r/todayilearned/comments/1h2jh2f/til_in_january_1944_the_australian_9th_division/