The temperature on June 14, 1911 was between 2.0 °C and 15.7 °C and averaged 9.5 °C. There was 5.1 mm of rain. There was 8.6 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
April 6 » During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti (Skanderbeg).
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of marriage May 18, 1933
The temperature on May 18, 1933 was between 1.8 °C and 16.4 °C and averaged 10.6 °C. There was 12.1 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-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.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
January 5 » Construction of the Golden Gate Bridge begins in San Francisco Bay.
April 7 » Prohibition in the United States is repealed for beer of no more than 3.2% alcohol by weight, eight months before the ratification of the XXI amendment. (Now celebrated as National Beer Day in the United States.)
May 15 » All military aviation organizations within or under the control of the RLM of Germany were officially merged in a covert manner to form its Wehrmacht military's air arm, the Luftwaffe.
August 7 » The Kingdom of Iraq slaughters over 3,000 Assyrians in the village of Simele. This date is recognized as Martyrs Day or National Day of Mourning by the Assyrian community in memory of the Simele massacre.
September 8 » Ghazi bin Faisal became King of Iraq.
November 17 » The United States recognizes the Soviet Union.
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/I134376.php : accessed January 5, 2026), "Pieter Hielema (1911-)".
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