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Invention of the siren
History of Siren The first siren was invented sometime before 1799 by John Robison. -
Period: to
The Time period of the Siren
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The Siren is Improved
The Improved Siren Sometime around 1819, the new and improved siren was made by Charles Cagniard de la Tour. -
Danger Warning
The siren was used in World War II to warn people that danger was approaching. -
Production of the Mechanical Siren
The tornado siren was improved to become a mechanical siren during the Cold War. It was produced from the early 1950's to the late 1980's.
