March 2 » The Battle of Adwa: The Italian Army defeated by the Ethiopian Army in Adwa, Tigray, Ethiopia.
May 18 » Khodynka Tragedy: A mass panic on Khodynka Field in Moscow during the festivities of the coronation of Russian Tsar Nicholas II results in the deaths of 1,389 people.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
August 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
December 30 » Filipino patriot and reform advocate José Rizal is executed by a Spanish firing squad in Manila.
Day of marriage May 31, 1930
The temperature on May 31, 1930 was between 9.7 °C and 23.9 °C and averaged 15.7 °C. There was 8.2 mm of rain during 2.1 hours. There was 4.9 hours of sunshine (30%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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 29 » Heinrich Brüning is appointed German Reichskanzler.
June 9 » A Chicago Tribune reporter, Jake Lingle, is killed during rush hour at the Illinois Central train station by Leo Vincent Brothers, allegedly over a $100,000 gambling debt owed to Al Capone.
September 6 » Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
November 3 » Getúlio Vargas becomes Head of the Provisional Government in Brazil after a bloodless coup on October 24.
November 11 » Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
Day of death July 4, 1940
The temperature on July 4, 1940 was between 10.9 °C and 17.4 °C and averaged 14.9 °C. There was 3.3 mm of rain during 1.3 hours. There was 7.3 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
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.
May 20 » The Holocaust: The first prisoners arrive at a new concentration camp at Auschwitz.
June 4 » World War II: The Dunkirk evacuation ends: British forces complete evacuation of 338,000 troops from Dunkirk in France. To rally the morale of the country, Winston Churchill delivers, only to the House of Commons, his famous "We shall fight on the beaches" speech.
June 23 » Adolf Hitler goes on a three-hour tour of the architecture of Paris with architect Albert Speer and sculptor Arno Breker in his only visit to the city.
June 26 » World War II: Under the Molotov–Ribbentrop Pact, the Soviet Union presents an ultimatum to Romania requiring it to cede Bessarabia and the northern part of Bukovina.
September 12 » An explosion at the Hercules Powder Company plant in Kenvil, New Jersey kills 51 people and injures over 200.
November 27 » World War II: At the Battle of Cape Spartivento, the Royal Navy engages the Regia Marina in the Mediterranean Sea.
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/I108685.php : accessed October 25, 2026), "Johannes Postma (1896-1940)".
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