The temperature on August 15, 1889 was about 15.9 °C. The air pressure was 4 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 96%. Source: KNMI
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
January 22 » Columbia Phonograph is formed in Washington, D.C.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
Day of marriage November 20, 1912
The temperature on November 20, 1912 was between 4.9 °C and 9.6 °C and averaged 6.6 °C. There was 13.6 mm of rain. There was 1.4 hours of sunshine (16%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-northwest. Source: KNMI
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
November 28 » Albania declares its independence from the Ottoman Empire.
December 8 » Leaders of the German Empire hold an Imperial War Council to discuss the possibility that war might break out.
Day of death September 12, 1930
The temperature on September 12, 1930 was between 11.6 °C and 15.9 °C and averaged 13.5 °C. There was 6.1 mm of rain during 5.0 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
March 29 » Heinrich Brüning is appointed German Reichskanzler.
May 1 » "Pluto" is officially proposed for the name of the newly-discovered dwarf planet Pluto by Vesto Slipher in the Lowell Observatory Observation Circular. The name quickly catches on.
July 7 » Industrialist Henry J. Kaiser begins construction of Boulder Dam (now known as Hoover Dam).
October 5 » British airship R101 crashes in France en route to India on its maiden voyage.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I100940.php : accessed February 14, 2026), "Helena Margaretha Zaalberg (1889-1930)".
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