The temperature on August 11, 1887 was about 15.3 °C. There was 0.1 mm of rain. The air pressure was 52 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 59%. 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.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
July 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
Day of death March 15, 1974
The temperature on March 15, 1974 was between -1.6 °C and 8.2 °C and averaged 3.8 °C. There was 6.6 mm of rain during 2.8 hours. There was 1.4 hours of sunshine (12%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 23 » The Symbionese Liberation Army demands $4 million more to release kidnap victim Patty Hearst.
March 8 » Charles de Gaulle Airport opens in Paris, France.
May 18 » Nuclear weapons testing: Under project Smiling Buddha, India successfully detonates its first nuclear weapon becoming the sixth nation to do so.
October 8 » Franklin National Bank collapses due to fraud and mismanagement; at the time it is the largest bank failure in the history of the United States.
November 24 » Donald Johanson and Tom Gray discover the 40% complete Australopithecus afarensis skeleton, nicknamed "Lucy" (after The Beatles song "Lucy in the Sky with Diamonds"), in the Awash Valley of Ethiopia's Afar Depression.
December 1 » Northwest Airlines Flight 6231, another Boeing 727, crashes northwest of John F. Kennedy International Airport.
When copying data from this family tree, please include a reference to the origin: Freek van Loon, "Family tree Van Loon", database, Genealogy Online (https://www.genealogieonline.nl/van-loon-stamboom/I871.php : accessed February 15, 2026), "Leonardus Petrus Wilhelmus "Leonard" van der Meer (1887-1974)".
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