events
The Battle of Los Angeles: A false alarm led to an anti-aircraft barrage that lasted into the early hours of February 25.
Related Wikipedia articles
Battle of Los Angeles
Anti-aircraft shelling during WWII against an imagined invader
The Battle of Los Angeles, also known as the Great Los Angeles Air Raid, is the name given by contemporary sources to a rumored attack on the continental United States by Imperial Japan and the subsequent anti-aircraft artillery barrage which took place from late February 24, to…Source: Wikipedia (CC BY-SA)
False alarm
Deceptive or erroneous report of an emergency
A false alarm, also called a nuisance alarm, is the deceptive or erroneous report of an emergency, causing unnecessary panic and/or bringing resources to a place where they are not needed. False alarms may occur with residential burglary alarms, smoke detectors, industrial…Source: Wikipedia (CC BY-SA)