The temperature on August 22, 1868 was about 15.5 °C. There was 2 mm of rain. The air pressure was 18 kgf/m2 and came mainly from the south. The airpressure was 75 cm mercury. The atmospheric humidity was 85%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
May 29 » Mihailo Obrenović III, Prince of Serbia is assassinated.
July 25 » The Wyoming Territory is established.
September 28 » The Battle of Alcolea causes Queen Isabella II of Spain to flee to France.
October 7 » Cornell University holds opening day ceremonies; initial student enrollment is 412, the highest at any American university to that date.
November 2 » Time zone: New Zealand officially adopts a standard time to be observed nationally.
November 27 » American Indian Wars: Battle of Washita River: United States Army Lieutenant Colonel George Armstrong Custer leads an attack on Cheyenne living on reservation land.
Day of marriage March 20, 1897
The temperature on March 20, 1897 was about 7.0 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of death May 20, 1941
The temperature on May 20, 1941 was between 3.5 °C and 17.5 °C and averaged 11.3 °C. There was 10.1 hours of sunshine (63%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
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.
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.
January 25 » Pope Pius XII elevates the Apostolic Vicariate of the Hawaiian Islands to the dignity of a diocese. It becomes the Roman Catholic Diocese of Honolulu.
March 7 » Günther Prien and the crew of German submarine U-47, one of the most successful U-boats of World War II, disappear without a trace.
April 6 » World War II: Nazi Germany launches Operation 25 (the invasion of Kingdom of Yugoslavia) and Operation Marita (the invasion of Greece).
May 31 » Anglo-Iraqi War: The United Kingdom completes the re-occupation of Iraq and returns 'Abd al-Ilah to power as regent for Faisal II.
September 29 » World War II: German forces, with the aid of local Ukrainian collaborators, begin the two-day Babi Yar massacre.
October 30 » Holocaust: Fifteen hundred Jews from Pidhaytsi are sent by Nazis to Bełżec extermination camp.
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/I56344.php : accessed October 20, 2026), "Johannes Geertsma (1868-1941)".
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