The temperature on December 26, 1875 was about 6.6 °C. There was 0.9 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west. The airpressure was 77 cm mercury. The atmospheric humidity was 98%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
February 24 » The SSGothenburg hits the Great Barrier Reef and sinks off the Australian east coast, killing approximately 100, including a number of high-profile civil servants and dignitaries.
February 25 » Guangxu Emperor of Qing dynasty China begins his reign, under Empress Dowager Cixi's regency.
March 15 » Archbishop of New York John McCloskey is named the first cardinal in the United States.
April 10 » India: Arya Samaj is founded in Mumbai by Swami Dayananda Saraswati to propagate his goal of social reform.
May 20 » Signing of the Metre Convention by 17 nations leading to the establishment of the International System of Units.
July 9 » The Herzegovina Uprising against Ottoman rule begins, which would last until 1878 and have far-reaching implications throughout the Balkans.
Day of marriage June 30, 1900
The temperature on June 30, 1900 was about 16.2 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 76%. Source: KNMI
February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
April 2 » The United States Congress passes the Foraker Act, giving Puerto Rico limited self-rule.
April 14 » The Exposition Universelle begins.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
Day of death August 21, 1961
The temperature on August 21, 1961 was between 14.1 °C and 17.2 °C and averaged 15.8 °C. There was 15.2 mm of rain during 5.6 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 17 » Bay of Pigs Invasion: A group of Cuban exiles financed and trained by the CIA lands at the Bay of Pigs in Cuba with the aim of ousting Fidel Castro.
June 4 » Cold War: In the Vienna summit, the Soviet premier Nikita Khrushchev sparks the Berlin Crisis by threatening to sign a separate peace treaty with East Germany and ending American, British and French access to East Berlin.
June 16 » While on tour with the Kirov Ballet in Paris, Rudolf Nureyev defects from the Soviet Union.
July 25 » Cold War: In a speech John F. Kennedy emphasizes that any attack on Berlin is an attack on NATO.
August 13 » Cold War: East Germany closes the border between the eastern and western sectors of Berlin to thwart its inhabitants' attempts to escape to the West, and construction of the Berlin Wall is started.
August 21 » Motown releases what would be its first #1 hit (in America), "Please Mr. Postman" by The Marvelettes.
When copying data from this family tree, please include a reference to the origin: Theo Klein, "Family tree Klein", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-klein/I1359.php : accessed February 22, 2026), "Arentje Willems Boomker (1875-1961)".
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