#AdventuresInHistory!
#OTD #TDIH #February20, 1971: The #EmergencyBroadcastSystemFalseAlarmOf1971 occurs.
#EBSFalseAlarmOf1971 #EBS #EmergencyBroadcastSystem #FalseAlarms #ColdWar #CivilDefense
en.wikipedia.org/wiki/Emergen...
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