The temperature on June 23, 1888 was about 21.0 °C. The air pressure was 4 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 70%. 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.
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.
March 15 » Start of the Anglo-Tibetan War of 1888.
June 15 » Crown Prince Wilhelm becomes Kaiser Wilhelm II; he will be the last Emperor of the German Empire. Due to the death of his predecessors Wilhelm I and Frederick III, 1888 is the Year of the Three Emperors.
July 15 » The stratovolcano Mount Bandai erupts killing approximately 500 people, in Fukushima Prefecture, Japan.
August 21 » The first successful adding machine in the United States is patented by William Seward Burroughs.
October 15 » The "From Hell" letter allegedly sent by Jack the Ripper is received by investigators.
December 22 » The Christmas Meeting of 1888, considered to be the official start of the Faroese independence movement.
Day of marriage June 23, 1920
The temperature on June 23, 1920 was between 9.2 °C and 20.6 °C and averaged 14.7 °C. There was 4.2 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 26 » Former Ford Motor Company executive Henry Leland launches the Lincoln Motor Company which he later sold to his former employer.
February 29 » Czechoslovak National Assembly adopts the Constitution.
March 22 » Azeri and Turkish army soldiers with participation of Kurdish gangs attacked the Armenian inhabitants of Shushi (Nagorno Karabakh).
May 29 » The Louth flood of 1920 was a severe flash flooding in the Lincolnshire market town of Louth which occurred 29 May 1920, resulting in 23 fatalities in 20 minutes. It has been described as one of the most significant flood disasters in Britain during the 20th century.
August 19 » The Tambov Rebellion breaks out, in response to the Bolshevik policy of Prodrazvyorstka.
November 15 » The Free City of Danzig is established.
Day of death May 22, 1969
The temperature on May 22, 1969 was between 5.8 °C and 15.4 °C and averaged 10.4 °C. There was 12.1 hours of sunshine (76%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
March 2 » In Toulouse, France, the first test flight of the Anglo-French Concorde is conducted.
April 1 » The Hawker Siddeley Harrier, the first operational fighter aircraft with Vertical/Short Takeoff and Landing capabilities, enters service with the Royal Air Force.
April 7 » The Internet's symbolic birth date: Publication of RFC 1.
June 23 » IBM announces that effective January 1970 it will price its software and services separately from hardware thus creating the modern software industry.
September 5 » My Lai Massacre: U.S. Army Lieutenant William Calley is charged with six specifications of premeditated murder for the death of 109 Vietnamese civilians in My Lai.
September 9 » In Canada, the Official Languages Act comes into force, making French equal to English throughout the Federal government.
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/I200697.php : accessed February 10, 2026), "Martina Petronella de Boer (1888-1969)".
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