The temperature on May 23, 1881 was about 18.6 °C. The air pressure was 4 kgf/m2 and came mainly from the east-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 44%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
February 16 » The Canadian Pacific Railway is incorporated by Act of Parliament at Ottawa (44th Vic., c.1).
February 24 » China and Russia sign the Sino-Russian Ili Treaty.
February 27 » First Boer War: The Battle of Majuba Hill takes place.
April 28 » Billy the Kid escapes from the Lincoln County jail in Mesilla, New Mexico.
May 21 » The American Red Cross is established by Clara Barton in Washington, D.C.
November 7 » Mapuche rebels attack the Chilean settlement of Nueva Imperial, as defenders fled to the hills and the settlement was effectively destroyed.
Day of marriage October 19, 1912
The temperature on October 19, 1912 was between 4.2 °C and 13.8 °C and averaged 10.0 °C. There was 4.5 mm of rain. There was 5.4 hours of sunshine (52%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
April 2 » The ill-fated RMSTitanic begins sea trials.
April 10 » RMS Titanic sets sail from Southampton, England on her maiden and only voyage.
October 14 » Former president Theodore Roosevelt is shot and mildly wounded by John Flammang Schrank. With the fresh wound in his chest, and the bullet still within it, Roosevelt delivers his scheduled speech.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
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/I53513.php : accessed October 9, 2026), "Pieter de Graaf (1881-????)".
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