The temperature on March 31, 1887 was about 5.0 °C. There was 3 mm of rain. The air pressure was 14 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.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
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.
July 4 » The founder of Pakistan, Quaid-i-Azam Muhammad Ali Jinnah, joins Sindh-Madrasa-tul-Islam, Karachi.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
Day of marriage February 16, 1916
The temperature on February 16, 1916 was between 2.7 °C and 10.8 °C and averaged 7.5 °C. There was 4.9 mm of rain. There was 1.1 hours of sunshine (11%). The average windspeed was 6 Bft (strong wind) and was prevailing from the west-southwest. Source: KNMI
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.
July 19 » World War I: Battle of Fromelles: British and Australian troops attack German trenches as part of the Battle of the Somme.
August 28 » World War I: Italy declares war on Germany.
September 8 » In a bid to prove that women were capable of serving as military dispatch riders, Augusta and Adeline Van Buren arrive in Los Angeles, completing a 60-day, 5,500 mile cross-country trip on motorcycles.
September 17 » World War I: Manfred von Richthofen ("The Red Baron"), a flying ace of the German Luftstreitkräfte, wins his first aerial combat near Cambrai, France.
November 18 » World War I: First Battle of the Somme: In France, British Expeditionary Force commander Douglas Haig calls off the battle which started on July 1, 1916.
December 6 » World War I: The Central Powers capture Bucharest.
Day of death January 21, 1959
The temperature on January 21, 1959 was between 5.7 °C and 8.4 °C and averaged 7.4 °C. There was 2.4 mm of rain during 6.9 hours. There was 3.8 hours of sunshine (45%). The heavily clouded was. The average windspeed was 6 Bft (strong wind) and was prevailing from the south-southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I29246.php : accessed March 11, 2026), "Willem Frederik de Graaff (1887-1959)".
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