Holidays

  • World Metrology Day 2017

    World Metrology Day 2017

    World Metrology Day is a holiday that celebrates the signing of the Metre Convention in Paris on 20 May 1875. The international treaty was developed to coordinate the creation of a globally adopted standard for measurement of length and mass (the metric system). The development of the system was tasked to three organizations, the CGPM

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  • Yuri’s Night 2017 at the Great Lakes Science Center

    Yuri’s Night 2017 at the Great Lakes Science Center

    Yuri Gagarin’s spaceflight on 12 April 1961 marked a great achievement in human history. Yuri boarded the Vostok 1 spacecraft, and became the first person in space. NASA chose 12 April for the inaugural space shuttle launch 20 year later. The date, 12 April, became known as Yuri’s Night. During Yuri’s Night, celebrations take place

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  • Wright Brothers Day 2016

    Wright Brothers Day 2016

    Wright Brothers Day is December 17th. The holiday was established by Dwight Eisenhower in 1959. The day celebrates the first successful flight in a mechanically propelled aircraft in 1903 by Wilbur and Orville Wright. In Ohio, Wright Brothers Day is an official holiday that is celebrated on 5 October. Flight Trials The flight took place

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