The temperature on May 10, 1885 was about 10.7 °C. The air pressure was 16 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 76%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
March 31 » The United Kingdom establishes the Bechuanaland Protectorate.
April 2 » Canadian Cree warriors attack the village of Frog Lake, killing nine.
June 9 » Treaty of Tientsin is signed to end the Sino-French War, with China eventually giving up Tonkin and Annam – most of present-day Vietnam – to France.
July 1 » The Congo Free State is established by King Leopold II of Belgium.
July 20 » The Football Association legalizes professionalism in association football under pressure from the British Football Association.
September 12 » Arbroath 36–0 Bon Accord, a world record scoreline in professional Association football.
Day of marriage May 23, 1908
The temperature on May 23, 1908 was between 5.9 °C and 15.0 °C and averaged 10.8 °C. There was 3.1 hours of sunshine (19%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
April 8 » Harvard University votes to establish the Harvard Business School.
April 14 » Hauser Dam, a steel dam on the Missouri River in Montana, U.S., fails, sending a surge of water 25 to 30 feet (7.6 to 9.1m) high downstream.
April 20 » Opening day of competition in the New South Wales Rugby League.
June 30 » The Tunguska Event, the largest impact event on Earth in human recorded history, resulting in a massive explosion over Eastern Siberia.
July 23 » The Second Constitution accepted by the Ottomans.
November 25 » A fire breaks out on SSSardinia as it leaves Malta's Grand Harbour, resulting in the ship's grounding and the deaths of at least 118 people.
Day of death January 2, 1961
The temperature on January 2, 1961 was between 2.9 °C and 6.1 °C and averaged 4.4 °C. There was 6.5 mm of rain during 5.4 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
May 1 » The Prime Minister of Cuba, Fidel Castro, proclaims Cuba a socialist nation and abolishes elections.
July 12 » Indian city Pune floods due to failure of the Khadakwasla and Panshet dams, killing at least two thousand people.
August 25 » President Jânio Quadros of Brazil resigns after just seven months in power, initiating a political crisis that culminates in a military coup in 1964.
September 16 » The United States National Hurricane Research Project drops eight cylinders of silver iodide into the eyewall of Hurricane Esther. Wind speed reduces by 10%, giving rise to Project Stormfury.
September 16 » Typhoon Nancy, with possibly the strongest winds ever measured in a tropical cyclone, makes landfall in Osaka, Japan, killing 173 people.
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/I105906.php : accessed October 25, 2026), "Wytze Pietersma (1885-1961)".
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