The temperature on September 30, 1885 was about 13.9 °C. The air pressure was 4 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 98%. 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.
January 17 » A British force defeats a large Dervish army at the Battle of Abu Klea in the Sudan.
January 26 » Troops loyal to The Mahdi conquer Khartoum, killing the Governor-General Charles George Gordon.
February 18 » Adventures of Huckleberry Finn by Mark Twain is published in the United States.
July 20 » The Football Association legalizes professionalism in association football under pressure from the British Football Association.
September 6 » Eastern Rumelia declares its union with Bulgaria, thus accomplishing Bulgarian unification.
September 12 » Arbroath 36–0 Bon Accord, a world record scoreline in professional Association football.
Day of marriage September 4, 1913
The temperature on September 4, 1913 was between 11.5 °C and 22.0 °C and averaged 16.1 °C. There was 6.2 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 18 » First Balkan War: A Greek flotilla defeats the Ottoman Navy in the Naval Battle of Lemnos, securing the islands of the Northern Aegean Sea for Greece.
February 13 » The 13th Dalai Lama proclaims Tibetan independence following a period of domination by Manchu Qing dynasty and initiated a period of almost four decades of independence.
February 19 » Pedro Lascuráin becomes President of Mexico for 45 minutes; this is the shortest term to date of any person as president of any country.
May 30 » The Treaty of London is signed, ending the First Balkan War; Albania becomes an independent nation.
June 4 » Emily Davison, a suffragette, runs out in front of King George V's horse at The Derby. She is trampled, never regains consciousness, and dies four days later.
December 23 » The Federal Reserve Act is signed into law by President Woodrow Wilson, creating the Federal Reserve System.
Day of death December 22, 1956
The temperature on December 22, 1956 was between 1.5 °C and 5.9 °C and averaged 3.7 °C. There was 1.7 mm of rain during 2.9 hours. There was 2.8 hours of sunshine (36%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
April 19 » Actress Grace Kelly marries Prince Rainier of Monaco.
July 13 » The Dartmouth workshop is the first conference on artificial intelligence.
September 13 » The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage.
October 17 » The first commercial nuclear power station is officially opened by Queen Elizabeth II in Sellafield, England.
October 19 » The Soviet Union and Japan sign a Joint Declaration, officially ending the state of war between the two countries that had existed since August 1945.
December 6 » A violent water polo match between Hungary and the USSR takes place during the 1956 Summer Olympics in Melbourne, against the backdrop of the Hungarian Revolution of 1956.
When copying data from this family tree, please include a reference to the origin: Suzanne Leideritz, "Family tree Leideritz", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-leideritz/I500037.php : accessed February 12, 2026), "Wilhelmus Johannes Leideritz (1885-1956)".
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