The temperature on June 8, 1887 was about 15.7 °C. The air pressure was 10 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 88%. 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.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
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.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
October 1 » Balochistan is conquered by the British Empire.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
Day of marriage May 10, 1911
The temperature on May 10, 1911 was between 10.5 °C and 23.7 °C and averaged 17.4 °C. There was 12.1 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
January 30 » The destroyer USSTerry makes the first airplane rescue at sea saving the life of Douglas McCurdy ten miles from Havana, Cuba.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
Day of death May 19, 1942
The temperature on May 19, 1942 was between 9.4 °C and 16.8 °C and averaged 13.3 °C. There was 4.5 hours of sunshine (28%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 17 » French prisoner of war General Henri Giraud escapes from his castle prison in Königstein Fortress.
May 8 » World War II: The Battle of the Coral Sea comes to an end with Imperial Japanese Navy aircraft carrier aircraft attacking and sinking the United States Navy aircraft carrier USSLexington.
June 22 » The Pledge of Allegiance is formally adopted by US Congress.
July 1 » The Australian Federal Government becomes the sole collector of income tax in Australia as State Income Tax is abolished.
July 18 » The Germans test fly the Messerschmitt Me 262 using its jet engines for the first time.
November 19 » Mutesa II is crowned the 35th and last Kabaka (king) of Buganda, prior to the restoration of the kingdom in 1993.
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/I158137.php : accessed October 16, 2026), "Helena de Jonge (1887-1942)".
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