January 31 » Czechoslav Trade Union Association is founded in Prague.
February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
Day of marriage June 14, 1918
The temperature on June 14, 1918 was between 11.7 °C and 17.1 °C and averaged 14.7 °C. There was 3.3 mm of rain. There was 0.8 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
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 » Finnish Civil War: A group of Red Guards hangs a red lantern atop the tower of Helsinki Workers' Hall to symbolically mark the start of the war.
March 23 » First World War: On the third day of the German Spring Offensive, the 10th Battalion of the Royal West Kent Regiment is annihilated with many of the men becoming prisoners of war
October 1 » World War I: The Egyptian Expeditionary Force captures Damascus.
October 10 » RMS Leinster is torpedoed and sunk by UB-123, killing 564, the worst-ever on the Irish Sea.
October 28 » First World War: A new Polish government in western Galicia is established, triggering the Polish–Ukrainian War.
December 14 » Friedrich Karl von Hessen, a German prince elected by the Parliament of Finland to become King Väinö I, renounces the Finnish throne.
Day of death February 21, 1972
The temperature on February 21, 1972 was between 1.9 °C and 4.4 °C and averaged 3.2 °C. There was 1.4 mm of rain during 4.0 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
January 8 » Bowing to international pressure, President of Pakistan Zulfikar Ali Bhutto releases Bengali leader Sheikh Mujibur Rahman from prison, who had been arrested after declaring the independence of Bangladesh.
February 15 » José María Velasco Ibarra, serving as President of Ecuador for the fifth time, is overthrown by the military for the fourth time.
May 4 » The Don't Make A Wave Committee, a fledgling environmental organization founded in Canada in 1971, officially changes its name to "Greenpeace Foundation".
May 8 » Vietnam War: U.S. President Richard Nixon announces his order to place naval mines in major North Vietnamese ports in order to stem the flow of weapons and other goods to that nation.
November 11 » Vietnam War: Vietnamization: The United States Army turns over the massive Long Binh military base to South Vietnam.
November 29 » Atari releases Pong, the first commercially successful video game.
When copying data from this family tree, please include a reference to the origin: Wim de Vries, "Family tree Kaempff", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaempff/I711.php : accessed February 17, 2026), "Gerrit van der Zande (1897-1972)".
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