Ym raed Yssac

A fleeting glance at the following, beguiling letter would more often than not result in the assumption that it had been penned in a foreign language, when in actual fact it is a charmingly coded message – hint: try reading each word backward – sent playfully to an eight-year-old girl named Cassandra in 1817, by

17214 6491 11310 18147

Two years into World War I, on January 16th of 1917, the following coded telegram was sent by German Foreign Secretary Arthur Zimmermann (via the German Ambassador in Washington) to the German Ambassador in Mexico, Heinrich von Eckardt. In it, Zimmermann told Eckardt to approach the President of Mexico with a view to forming a

Fire or Acid

American physicist Benjamin Thompson wrote the following letter in 1775 at the start of the American Revolutionary War, a war during which Thompson, a loyalist, acted as a spy for the British Army. The letter actually contains two different messages. The first, longer message spans three pages, was readable by all and is notable in

I ♥ U

Experts believe the following love letter to be approximately 100 years old. If you have some time to kill, I’d suggest attempting to solve the code yourself before looking at the transcript. The idea’s simple: each image represents a piece of text, e.g. ☼day would translate as Sunday. Good luck. Slightly larger photo here. More info