Inventions, Innovations & Technology on This Day: April 10
- 1710 - The first law regulating copyright is issued in Great Britain
- 1790 - US Patent system forms
- 1841 - New York Tribune begins publishing under editor Horace Greeley
- 1849 - Walter Hunt got a patent for the Safety Pin
- 1878 - California Street Cable Car Railroad Co starts service
- 1930 - Thiokol synthetic rubber 1st produced in Yardley, New Jersey
- 2012 - Apple Inc claims a value of $600 billion making it the largest company by market capitalization in the world
- 2018 - Facebook CEO Mark Zuckerberg begins testifying before US Congress about data use and security
- 2019 - First-ever photo of a black hole announced, taken by The Event Horizon Telescope Collaboration in 2017 in galaxy M87, 6.5 billion times the mass of earth, 55 million light-years away
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