♀ Mary Ann Procious

1866 - 1944

Mary Ann Procious
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Harold Grover Raybuck
Harold Grover Raybuck
1893 - 1988

1866


Jul 16
1866 • Calculations indicate Pluto (not known at this time) reaches its only aphelion (furthest point from the Sun) between 1618 and August 2113.

1893


Jan 13
Age: 26y
1893 Webb C. Ball introduces railroad chronometers, which become the general railroad timepiece standards in North America.

1944


May 23
Age: 77y
1944 • WWII: The Political Committee of National Liberation is created in Greece.

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