999 – World's first emergency telephone number – was introduced in London #OnThisDay 30 June 1937 #emergencyservices http://t.co/I4gbrwJ2Vp—
BT Archives (@BTArchives) June 30, 2014
1st 999 number introduced today 1937
30 Jun 2015 Leave a comment
in economic history, economics of crime, economics of media and culture, entrepreneurship, law and economics Tags: British economy, crime and punishment, London
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