The temperature on September 15, 1889 was about 12.7 °C. The air pressure was 20 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 48%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 22 » Columbia Phonograph is formed in Washington, D.C.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
Day of marriage December 27, 1912
The temperature on December 27, 1912 was between 4.4 °C and 9.5 °C and averaged 6.9 °C. There was 2.6 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
February 12 » The Xuantong Emperor, the last Emperor of China, abdicates.
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
May 4 » Italy occupies the Greek island of Rhodes.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
November 28 » Albania declares its independence from the Ottoman Empire.
Day of death April 2, 1970
The temperature on April 2, 1970 was between -1.8 °C and 5.5 °C and averaged 1.2 °C. There was 3.0 mm of rain during 3.0 hours. There was 5.4 hours of sunshine (42%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
May 9 » Vietnam War: In Washington, D.C., 75,000 to 100,000 war protesters demonstrate in front of the White House.
May 15 » Philip Lafayette Gibbs and James Earl Green are killed at Jackson State University by police during student protests.
May 15 » President Richard Nixon appoints Anna Mae Hays and Elizabeth P. Hoisington the first female United States Army generals.
May 26 » The Soviet Tupolev Tu-144 becomes the first commercial transport to exceed Mach 2.
September 2 » NASA announces the cancellation of two Apollo missions to the Moon, Apollo 15 (the designation is re-used by a later mission), and Apollo 19.
October 5 » The Public Broadcasting Service (PBS) is founded.
When copying data from this family tree, please include a reference to the origin: Ph. Schmit, "Family tree Schmit", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-schmit/I3233.php : accessed January 30, 2026), "Willem Hendrik Grootendorst (1889-1970)".
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