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.
March 1 » The first Minnesota State Capitol burns down.
July 1 » The world's first international telephone call is made between St. Stephen, New Brunswick, Canada, and Calais, Maine, United States.
July 4 » In Alabama, the Tuskegee Institute opens.
September 19 » U.S. President James A. Garfield dies of wounds suffered in a July 2 shooting. Vice President Chester A. Arthur becomes President upon Garfield's death.
November 9 » Mapuche rebels attack the fortified Chilean settlement of Temuco.
November 19 » A meteorite lands near the village of Grossliebenthal, southwest of Odessa, Ukraine.
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 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.
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
January 23 » The International Opium Convention is signed at The Hague.
May 13 » The Royal Flying Corps, the forerunner of the Royal Air Force, is established in the United Kingdom.
December 3 » Bulgaria, Greece, Montenegro, and Serbia (the Balkan League) sign an armistice with the Ottoman Empire, temporarily halting the First Balkan War. (The armistice will expire on February 3, 1913, and hostilities will resume.)
December 8 » Leaders of the German Empire hold an Imperial War Council to discuss the possibility that war might break out.
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 7, 2026), "Pieter de Graaf (1881-????)".
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