Spark Files Blog
Knock On Wood Origin: Pagan Superstition Or Not?
The origin of 'knock on wood' is not fully explainable, but there are some scholars that point to its origin being in Eastern Europe or Ireland.
WD-40 Origin: Who Invented It And What The Name Means
WD-40 was invented in 1953 by Rocket Chemical Company in San Diego as an attempt to protect metal parts from rust.
Cops: Origin Of The Police Slang Term Explained
In this article, learn the fascinating facts behind how our modern police force evolved and why police are called cops in the modern slang dictionary.
EPCOT Meaning: History And Origin Of Disney's Project
Walt Disney had a vision for the future, so he planned for the construction of a place (EPCOT) that would showcase those futuristic predictions and hopes.
The Fascinating Origin Of The Term 'Jackpot' In Expressions And Gambling
What's the origin of the word 'jackpot'? Well, the term jackpot has always been associated with gambling and it dates back to the early 1800's.
The Origin Of 'Foot' For Measurement (+ Why 12 Inches?)
In this article, you'll learn why the modern 'foot' is comprised of 12 inches and the history behind this decision.
'Rule Of Thumb' Origin And Meaning (It's Not Wife-Beating!)
Where does the expression 'rule of thumb' originate from? Was it related to wife-beating? In this post, we'll tell you exactly where it came from.
How The Cincinnati Bengals Came To Be (NFL Team)
As with a lot of teams in the NFL, the Cincinnati Bengals began in the AFL. It was 1966 when the Bengals got their start.