Template:Selected anniversaries/August 18: Difference between revisions

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||1868 – French astronomer Pierre Janssen discovers helium.
||1868 – French astronomer Pierre Janssen discovers helium.
||Sir William Fairbairn, 1st Baronet of Ardwick (d. 18 August 1874) was a Scottish civil engineer, structural engineer and shipbuilder.


||1886 – Eli Whitney Blake, American inventor, invented the Mortise lock (b. 1795)
||1886 – Eli Whitney Blake, American inventor, invented the Mortise lock (b. 1795)

Revision as of 21:27, 29 October 2017