The temperature on May 18, 1911 was between 10.3 °C and 16.6 °C and averaged 13.0 °C. There was 6.0 hours of sunshine (38%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of marriage May 15, 1941
The temperature on May 15, 1941 was between 0.6 °C and 12.2 °C and averaged 6.3 °C. There was 6.8 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 15 » Philippine Airlines, the flag carrier of the Philippines takes its first flight between Manila (from Nielson Field) to Baguio City with a Beechcraft Model 18 making the airline the first and oldest commercial airline in Asia operating under its original name.
May 20 » World War II: Battle of Crete: German paratroops invade Crete.
September 11 » Charles Lindbergh's Des Moines Speech accusing the British, Jews and FDR's administration of pressing for war with Germany.
October 30 » President Roosevelt approves $1 billion in Lend-Lease aid to the Allied nations.
December 12 » Adolf Hitler declares the imminent extermination of the Jews at a meeting in the Reich Chancellery.
December 21 » World War II: A formal treaty of alliance between Thailand and Japan is signed in the presence of the Emerald Buddha in Wat Phra Kaew, Thailand.
Day of death June 30, 1995
The temperature on June 30, 1995 was between 11.0 °C and 28.8 °C and averaged 20.5 °C. There was 15.5 hours of sunshine (93%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
January 1 » Austria, Finland and Sweden join the EU.
June 29 » The Sampoong Department Store collapses in the Seocho District of Seoul, South Korea, killing 501 and injuring 937.
October 9 » An Amtrak Sunset Limited train is derailed by saboteurs near Palo Verde, Arizona.
October 26 » Mossad agents assassinate Islamic Jihad leader Fathi Shaqaqi in his hotel in Malta.
October 30 » Quebec citizens narrowly vote (50.58% to 49.42%) in favour of remaining a province of Canada in their second referendum on national sovereignty.
November 30 » Official end of Operation Desert Storm.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I116340.php : accessed February 13, 2026), "Jakob Zuidersma (1911-1995)".
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