The temperature on March 1, 1887 was about 10.4 °C. The air pressure was 4 kgf/m2 and came mainly from the southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 71%. 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.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
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.
October 1 » Balochistan is conquered by the British Empire.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
Day of marriage June 1, 1910
The temperature on June 1, 1910 was between 11.4 °C and 16.9 °C and averaged 14.0 °C. There was 0.4 mm of rain. There was 0.2 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 29 » The Parliament of the United Kingdom passes the People's Budget, the first budget in British history with the expressed intent of redistributing wealth among the British public.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
October 15 » Airship America is launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
November 14 » Aviator Eugene Burton Ely performs the first takeoff from a ship in Hampton Roads, Virginia, taking off from a makeshift deck on the USS Birmingham in a Curtiss pusher.
Day of death November 4, 1967
The temperature on November 4, 1967 was between 7.4 °C and 10.6 °C and averaged 8.8 °C. There was 0.4 mm of rain during 1.5 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
April 24 » Cosmonaut Vladimir Komarov dies in Soyuz 1 when its parachute fails to open. He is the first human to die during a space mission.
May 13 » Dr. Zakir Husain becomes the third President of India. He is the first Muslim President of the Indian Union. He holds this position until August 24, 1969.
June 8 » Six-Day War: The USS Liberty incident occurs, killing 34 and wounding 171.
June 14 » Mariner program: Mariner 5 is launched towards Venus.
July 23 » Detroit Riots: In Detroit, one of the worst riots in United States history begins on 12th Street in the predominantly African American inner city. It ultimately kills 43 people, injures 342 and burns about 1,400 buildings.
November 17 » Vietnam War: Acting on optimistic reports that he had been given on November 13, U.S. President Lyndon B. Johnson tells the nation that, while much remained to be done, "We are inflicting greater losses than we're taking...We are making progress."
When copying data from this family tree, please include a reference to the origin: H.L. Witmer, "Family tree Witmer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-witmer/I2049.php : accessed February 18, 2026), "Helena Witmaar (1887-1967)".
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