1815 English chemist, Sir Humphry Davy of London patented the miner's safety lamp.
1888 Pneumatic bicycle tyres were patented by Scottish inventor, John Boyd Dunlop.
1951 The zebra crossing was first introduced in Slough, Berkshire, England to reduce casulaties at pedestrian road crossings.
1956 An airplane landed at the South Pole for the first time. When Navy Admiral George J. Dufek stepped off the Que Sera Sera, an LC-47 transport plane, he was the first American to set foot on there, the first man since Scott to stand at the Pole.
1992 The Vatican admitted erring for over 359 years in formally condemning Galileo Galilei for entertaining scientific truths such as the Earth revolves around the sun it, which the Roman Catholic Church long denounced as anti-scriptural heresy.
1905 Heinrich von Stackelberg - Stackelberg leadership model in oligopoly
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