The temperature on May 5, 1866 was about 14.1 °C. There was 0.1 mm of rain. The air pressure was 10 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 47%. 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.
In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
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).
January 12 » The Royal Aeronautical Society is formed in London.
January 18 » Wesley College is established in Melbourne, Australia.
April 6 » The Grand Army of the Republic, an American patriotic organization composed of Union veterans of the American Civil War, is founded. It lasts until 1956.
May 16 » The United States Congress establishes the nickel.
July 24 » Reconstruction: Tennessee becomes the first U.S. state to be readmitted to the Union following the American Civil War.
August 17 » The Grand Duchy of Baden announces her withdrawal from the German Confederation and signs a treaty of peace and alliance with Prussia.
Day of marriage April 23, 1898
The temperature on April 23, 1898 was about 11.1 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 55%. Source: KNMI
April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
May 8 » The first games of the Italian football league system are played.
June 11 » The Hundred Days' Reform, a planned movement to reform social, political, and educational institutions in China, is started by the Guangxu Emperor, but is suspended by Empress Dowager Cixi after 104 days. (The failed reform led to the abolition of the Imperial examination in 1905.)
July 4 » En route from New York to Le Havre, the SS La Bourgogne collides with another ship and sinks off the coast of Sable Island, with the loss of 549 lives.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
November 10 » Beginning of the Wilmington insurrection of 1898, the only instance of a municipal government being overthrown in United States history.
Day of death April 16, 1944
The temperature on April 16, 1944 was between 9.2 °C and 17.6 °C and averaged 12.6 °C. There was 8.1 mm of rain during 2.3 hours. There was 4.5 hours of sunshine (32%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 22 » The 1st Air Commando Group using Sikorsky R-4 helicopters stage the first use of helicopters in combat with combat search and rescue operations in the China Burma India Theater.
June 16 » In a gross miscarriage of justice, George Junius Stinney Jr., age 14, becomes the youngest person executed in the United States in the 20th century after being convicted in a two-hour trial for the rape and murder of two teenage white girls.
June 25 » World War II: The Battle of Tali-Ihantala, the largest battle ever fought in the Nordic countries, begins.
August 12 » Nazi German troops end the week-long Wola massacre, during which time at least 40,000 people are killed indiscriminately or in mass executions.
September 19 » World War II: The Battle of Hürtgen Forest begins. It will become the longest individual battle that the U.S. Army has ever fought.
November 16 » World War II: Operation Queen, the costly Allied thrust to the Rur, is launched.
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/I100110.php : accessed October 10, 2026), "Johannes de Boer (1866-1944)".
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