The 999 service was launched in London on 30 June 1937, and initially covered a 12 mile radius from Oxford Street.
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30th March 1856: The Crimean War officially ends with the Treaty of Paris
30th March 2018
30th June 2019
30th June 1937: World’s first emergency telephone number began operating in London
11th November 1918: WW1 Armistice of Compiègne is signed
11th November 2018
1st September 1939: Nazi Germany invades Poland
1st September 2018