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The Vigenere Cipher is an encryption system that was developed over 500 years ago, and a variant of it was still being used by Soviet KGB spies in the 1950s. Ever since people have been writing, they have been searching for ways to make their written messages secure. This has historically been most important for … Continue reading The Vigenere Cipher →
4 months ago

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More from Hidden History

Florida’s Barker Gang Shootout

In January 1935, gangster “Ma” Barker and her son Fred were killed by the FBI in a multi-hour shootout in the little town of Ocklawaha FL. Arizona “Arrie” Clark was born in the rural town of Ash Grove MO in October 1873, where she played the fiddle and sang in the local church choir. In … Continue reading Florida’s Barker Gang Shootout →

a month ago 21 votes
The Japanese Fugo Balloon Bomb

During the Second World War, the Japanese launched thousands of incendiary bombs against the United States that were carried by top secret balloons. In April 1942, the United States launched a daring raid on Japan using 16 B-25 Mitchell bombers under the command of Lt Col Jimmy Doolittle that had been specially-trained to take off from an aircraft … Continue reading The Japanese Fugo Balloon Bomb →

2 months ago 17 votes
A Closer Look at: Sahelanthropus

Sahelanthropus may be the earliest human ancestor that we know about, but it is mired in controversy. In the 1980s, French paleontologist Michel Brunet and his partner David Pilbeam were searching for hominin fossils in Cameroon, in deposits formed along an ancient shoreline when Lake Chad had been much larger than at present and was surrounded … Continue reading A Closer Look at: Sahelanthropus →

2 months ago 30 votes
Submarine USS Dolphin

The submarine USS Dolphin was specially built as a test-bed for deep-diving designs. At the outbreak of the Second World War, a typical submarine or u-boat was capable of diving to a maximum depth of round 250 feet. By the time the war ended, advanced models like the American Tench class could reach depths of 450 … Continue reading Submarine USS Dolphin →

2 months ago 27 votes
Hominins

The first diary in a series which looks at significant species in the evolution of humans. Humans evolved from apelike ancestors. This idea was first put forth in 1859, when Charles Darwin wrote On the Origin of Species and spelled out his idea of evolution through natural selection. At that time, most people accepted the religious … Continue reading Hominins →

2 months ago 27 votes

More in history

Wisconsin Death Trip, 1973 – Small Town America In The Grip of Madness

For more than 60 years, Charles Van Schaick (1852-1946) worked as a photographer in the town of Black River Falls, Wisconsin. Opened in 1879, he took around 8,000 of glass plate negatives, of which approximately 5,700 are studio portraits. The Charles Van Schaick collection, now housed at the Wisconsin Historical Society in Madison, achieved … Continue reading "Wisconsin Death Trip, 1973 – Small Town America In The Grip of Madness" The post Wisconsin Death Trip, 1973 – Small Town America In The Grip of Madness appeared first on Flashbak.

13 hours ago 2 votes
Are There Really Unicorns in the Bible?

Some Bible skeptics have criticized the Bible because of references to mythical creatures like the unicorn. They claim it undermines the legitimacy of the Bible as a serious religious work. The question we need to ask ourselves, however, is if the references to unicorns were intentional or the result of a mistranslation that can […]

22 hours ago 2 votes
Swahili on the Road

Swahili on the Road JamesHoare Thu, 07/03/2025 - 08:00

yesterday 2 votes
Meet Osiris, the Egyptian God Who Ruled the Afterlife (Myth & Facts)

Osiris is best known as the god of the dead in ancient Egyptian religion, as the afterlife was created for Osiris after he was killed by his brother Set, and he enabled others to join him in eternal life. But Osiris is also connected to many other important aspects of ancient Egyptian religion.   […]

yesterday 1 votes
An Apology And A Few Suggestions.

More next week.

2 days ago 5 votes