The temperature on April 19, 1865 was about 14.8 °C. The air pressure was 2 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 64%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
April 20 » Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion.
May 10 » American Civil War: In Kentucky, Union soldiers ambush and mortally wound Confederate raider William Quantrill, who lingers until his death on June 6.
June 11 » The Naval Battle of the Riachuelo is fought on the rivulet Riachuelo (Argentina), between the Paraguayan Navy on one side and the Brazilian Navy on the other. The Brazilian victory was crucial for the later success of the Triple Alliance (Brazil, Uruguay, and Argentina) in the Paraguayan War.
June 28 » The Army of the Potomac is disbanded.
October 11 » Hundreds of black men and women march in Jamaica, starting the Morant Bay rebellion.
December 24 » Jonathan Shank and Barry Ownby form The Ku Klux Klan.
Day of marriage December 19, 1891
The temperature on December 19, 1891 was about -5.3 °C. The airpressure was 78 cm mercury. The atmospheric humidity was 73%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 29 » Liliuokalani is proclaimed the last monarch and only queen regnant of the Kingdom of Hawaii.
March 3 » Shoshone National Forest is established as the first national forest in the US and world.
May 15 » Pope Leo XIII defends workers' rights and property rights in the encyclical Rerum novarum, the beginning of modern Catholic social teaching.
July 26 » France annexes Tahiti.
October 1 » Stanford University opens its doors in California, United States.
October 28 » The Mino–Owari earthquake is the largest inland earthquake in Japan's history.
Day of death July 21, 1934
The temperature on July 21, 1934 was between 14.5 °C and 27.5 °C and averaged 20.3 °C. There was 2.0 mm of rain during 0.7 hours. There was 7.6 hours of sunshine (47%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 26 » The Apollo Theater reopens in Harlem, New York City.
May 23 » Infamous American bank robbers Bonnie and Clyde are ambushed by police and killed in Bienville Parish, Louisiana.
June 26 » United States President Franklin D. Roosevelt signs the Federal Credit Union Act, which establishes credit unions.
July 11 » Engelbert Zaschka of Germany flies his large human-powered aircraft, the Zaschka Human-Power Aircraft, about 20 meters at Berlin Tempelhof Airport without assisted take-off.
July 25 » The Nazis assassinate Austrian Chancellor Engelbert Dollfuss in a failed coup attempt.
August 2 » Gleichschaltung: Adolf Hitler becomes Führer of Germany following the death of President Paul von Hindenburg.
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/I213906.php : accessed December 25, 2025), "Sijbolt Harkema (1865-1934)".
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