Template:Selected anniversaries/June 30

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  • 1660: Mathematician William Oughtred dies. He invented the slide rule in 1622.

    1660: Mathematician William Oughtred dies. He invented the slide rule in 1622.

  • 1770: Astronomer Charles Messier is elected to the French Academy of Sciences.

    1770: Astronomer Charles Messier is elected to the French Academy of Sciences.

  • 1905: Albert Einstein sends the article "On the Electrodynamics of Moving Bodies", in which he introduces special relativity, for publication in Annalen der Physik.

    1905: Albert Einstein sends the article "On the Electrodynamics of Moving Bodies", in which he introduces special relativity, for publication in Annalen der Physik.

  • 1908: The Tunguska event occurs in remote Siberia.

    1908: The Tunguska event occurs in remote Siberia.

  • 1956: The Tunguska Event Preservation Society launches fundraiser to simulate the 1927 Tunguska expedition.

    1956: The Tunguska Event Preservation Society launches fundraiser to simulate the 1927 Tunguska expedition.

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