Lax Family Tree » Isidor Sommerfeld (1887-????)

Personal data Isidor Sommerfeld 

Source 1

Household of Isidor Sommerfeld

He is married to Jenny Heinrich.

They got married on May 3, 1917 at Berlin, Berlin, Germany, he was 30 years old.Source 1

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Timeline Isidor Sommerfeld

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Ancestors (and descendant) of Isidor Sommerfeld

Sommerfeld
1830-????
Sophie Preuss
1860-????

Isidor Sommerfeld
1887-????

1917

Jenny Heinrich
1888-1978


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    Sources

    1. Berlin, Germany, Marriages, 1874-1920, Ancestry.com / Ancestry.com

    Historical events

    Birthday February 26, 1887

    • The temperature on February 26, 1887 was about 4.3 °C. The air pressure was 4 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 87%. Source: KNMI
    • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
    • In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
    • In the year 1887: Source: Wikipedia
      • The Netherlands had about 4.5 million citizens.
      • January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
      • April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
      • April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
      • June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
      • June 18 » The Reinsurance Treaty between Germany and Russia is signed.
      • October 1 » Balochistan is conquered by the British Empire.

    Day of marriage May 3, 1917

    • The temperature on May 3, 1917 was between 4.4 °C and 18.7 °C and averaged 12.4 °C. There was 12.8 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
    • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
    • In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
    • In the year 1917: Source: Wikipedia
      • The Netherlands had about 6.5 million citizens.
      • February 5 » The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches.
      • March 1 » The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text.
      • July 27 » World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
      • November 5 » Tikhon is elected the Patriarch of Moscow and of the Russian Orthodox Church.
      • November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
      • December 2 » World War I: Russia and the Central Powers sign an armistice at Brest-Litovsk, and peace talks leading to the Treaty of Brest-Litovsk begin.
    

    Same birth/death day

    Source: Wikipedia


    About the surname Sommerfeld


    The Lax Family Tree publication was prepared by .contact the author
    When copying data from this family tree, please include a reference to the origin:
    Peter Lax, "Lax Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/lax-family-tree/P18697.php : accessed May 8, 2025), "Isidor Sommerfeld (1887-????)".