The temperature on June 21, 1887 was about 15.9 °C. The air pressure was 34 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 62%. 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 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
February 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
Day of marriage May 17, 1919
The temperature on May 17, 1919 was between 6.6 °C and 21.9 °C and averaged 14.9 °C. There was 13.6 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 15 » Great Molasses Flood: A wave of molasses released from an exploding storage tank sweeps through Boston, Massachusetts, killing 21 and injuring 150.
January 21 » A revolutionary Irish parliament is founded and declares the independence of the Irish Republic. One of the first engagements of the Irish War of Independence takes place.
May 15 » Greek occupation of Smyrna. During the occupation, the Greek army kills or wounds 350 Turks; those responsible are punished by Greek commander Aristides Stergiades.
May 27 » The NC-4 aircraft arrives in Lisbon after completing the first transatlantic flight.
July 21 » The dirigible Wingfoot Air Express crashes into the Illinois Trust and Savings Building in Chicago, killing 12 people.
December 23 » Sex Disqualification (Removal) Act 1919 becomes law in the United Kingdom.
Day of death October 20, 1955
The temperature on October 20, 1955 was between 9.6 °C and 18.3 °C and averaged 13.0 °C. There was 6.1 mm of rain during 2.3 hours. There was 3.7 hours of sunshine (36%). The partly or heavily clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
June 14 » Chile becomes a signatory to the Buenos Aires copyright treaty.
September 6 » Istanbul's Greek, Jewish, and Armenian minorities are the target of a government-sponsored pogrom; dozens are killed in ensuing riots.
September 16 » The military coup to unseat President Juan Perón of Argentina is launched at midnight.
September 20 » The Treaty on Relations between the USSR and the GDR is signed.
November 1 » The bombing of United Airlines Flight 629 occurs near Longmont, Colorado, killing all 39 passengers and five crew members aboard the Douglas DC-6B airliner.
December 8 » The Flag of Europe is adopted by Council of Europe.
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/I61412.php : accessed October 14, 2026), "Thomas Laanstra (1887-1955)".
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