The Polybius checkerboard, is a device invented by the ancient Greeks Cleoxenus and Democleitus, and made famous by the historian and scholar Polybius, a Greek historian noted for his work The Histories, which covered the period of 264–146 BCE. Polybius was well known to the Founding Fathers of the United States and was influential on …
Continue reading “Colonial Spymaster (#4) — Polybius Cypher”
When reenacting or acting as a historical interpreter, its good to have a few historical dates and stories to share. This series will publish a few. September 25, 1789 Bill of Rights On September 25, 1789, the first Congress of the United States adopted 12 amendments to the U.S. Constitution–the Bill of Rights–and sent them …
When reenacting or acting as a historical interpreter, its good to have a few historical dates and stories to share. This series will publish a few. September 25, 1775 Arnold’s March through the Wilderness. Early in the American Revolutionary War, Colonel Benedict Arnold led a force of 1,100 Continental Army troops on an expedition from …
The shift from superstition to scientific study of meteorology began when proper measuring instruments became available in the mid-17th century. By the early 18th century, Daniel Fahrenheit produced accurate mercury thermometers calibrated to a standard scale that ranged from 32 to 96 degrees (i.e., from the melting point of ice to body temperature). Early work …
The Ottendorf Cypher, or Book Cypher, is a cyphertext is made up of numbers in groups of 3, and these numbers correspond to positions in a book (or other type of text). Most often the numbers refer to Line, Word, and Letter. To encode a message, the encoder needs only to find the word at …
Continue reading “Colonial Spymaster (#3) — Ottendorf or Book Cypher”
The Caesar cypher is one of the earliest known and simplest cyphers. It is a type of substitution cipher in which each letter in the plaintext is ‘shifted’ a certain number of places down the alphabet. For example, with a shift of 1, A would be replaced by B, B would become C, and so …
“THESE are the times that try men’s souls. The summer soldier and the sunshine patriot will, in this crisis, shrink from the service of their country; but he that stands it now, deserves the love and thanks of man and woman….” Thomas Paine, The Crisis (19 December 1776) So, I just had a stupid argument …
Going into the Revolution, Americans were at a huge disadvantage to the European powers when it came to cryptography, many of which had been using secret offices where sensitive letters were opened and deciphered by public officials for centuries. It was not uncommon for the messages of Revolutionary leaders and American diplomats to be intercepted …
Continue reading “Colonial Spymaster (#1) — Codes and Cyphers in the Continental Army”
In 1740, the “French salute”, or greeting another by kissing them on the cheek, started to become fashionable in London. With the Seven Years War (AKA French and Indian War), the “French salute” quickly became controversial, being called unEnglish. Encouraged instead was the “old English” way of “pulling off a Hat. For the British, removing your …
When reenacting or acting as a historical interpreter, its good to have a few historical dates and stories to share. This series will publish a few. September 22, 1776 – Nathanial Hale is executed as a spy on Long Island without trial. “My only regret is that I have but one life to give to …
Michael Carver -- Historical Interpreter/Reenactor 