The temperature on September 10, 1887 was about 14.4 °C. The air pressure was 13 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. 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 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.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
Day of marriage August 25, 1910
The temperature on August 25, 1910 was between 13.1 °C and 19.4 °C and averaged 15.8 °C. There was 8.2 hours of sunshine (58%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
August 20 » Extremely dry and windy weather in the Inland Northwest of the United States causes several small wildfires to coalesce into the Great Fire of 1910, burning approximately 3million acres (12,000km) and killing 87 people.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
Day of death November 21, 1940
The temperature on November 21, 1940 was between 5.2 °C and 11.8 °C and averaged 9.2 °C. There was 0.6 mm of rain during 0.4 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 25 » Merkið, the flag of the Faroe Islands is approved by the British occupation government.
June 5 » World War II: After a brief lull in the Battle of France, the Germans renew the offensive against the remaining French divisions south of the River Somme in Operation Fall Rot ("Case Red").
June 16 » World War II: Marshal Henri Philippe Pétain becomes Chief of State of Vichy France (Chef de l'État Français).
July 6 » Story Bridge, a major landmark in Brisbane, as well as Australia's longest cantilever bridge is formally opened.
November 16 » New York City's "Mad Bomber" George Metesky places his first bomb at a Manhattan office building used by Consolidated Edison.
December 22 » World War II: Himara is captured by the Greek army.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I5389.php : accessed October 2, 2026), "JAN VERWAARD (1887-1940)".
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