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
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
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.
January 2 » World War II: German bombing severely damages the Llandaff Cathedral in Cardiff, Wales, United Kingdom.
January 18 » World War II: British troops launch a general counter-offensive against Italian East Africa.
May 8 » World War II: The German Luftwaffe launches a bombing raid on Nottingham and Derby.
June 22 » World War II: Nazi Germany invades the Soviet Union in Operation Barbarossa.
December 9 » World War II: China, Cuba, Guatemala, and the Philippine Commonwealth declare war on Germany and Japan.
December 10 » World War II: Battle of the Philippines: Imperial Japanese forces under the command of General Masaharu Homma land on Luzon.
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.
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 October 19, 2026), "Jakob Zuidersma (1911-1995)".
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