The temperature on September 4, 1925 was between 6.3 °C and 11.7 °C and averaged 8.8 °C. There was 9.0 mm of rain. There was 1.3 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
February 15 » The 1925 serum run to Nome: The second delivery of serum arrives in Nome, Alaska.
April 18 » The International Amateur Radio Union is formed in Paris.
June 16 » The most famous Young Pioneer camp of the Soviet Union, Artek, is established.
July 18 » Adolf Hitler publishes Mein Kampf.
July 25 » Telegraph Agency of the Soviet Union (TASS) is established.
November 5 » Secret agent Sidney Reilly, the first "super-spy" of the 20th century, is executed by the OGPU, the secret police of the Soviet Union.
Day of marriage October 20, 1955
The temperature on October 20, 1955 was between 9.6 °C and 18.3 °C and averaged 13.0 °C. There was 6.1 mm of rain during 2.3 hours. There was 3.7 hours of sunshine (36%). The partly or heavily clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
July 27 » El Al Flight 402 is shot down by two fighter jets after straying into Bulgarian air space. All 58 people onboard are killed.
August 20 » Battle of Philippeville: In Morocco, a force of Berbers from the Atlas Mountains region of Algeria raid two rural settlements and kill 77 French nationals.
September 16 » A Zulu-class submarine becomes the first to launch a ballistic missile.
October 29 » The Soviet battleshipNovorossiysk strikes a World War II mine in the harbor at Sevastopol.
December 8 » The Flag of Europe is adopted by Council of Europe.
Day of death April 7, 1988
The temperature on April 7, 1988 was between 4.8 °C and 15.5 °C and averaged 9.2 °C. There was 6.9 hours of sunshine (52%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 29 » Svend Robinson becomes the first member of the House of Commons of Canada to come out as gay.
March 20 » Eritrean War of Independence: Having defeated the Nadew Command, the Eritrean People's Liberation Front enters the town of Afabet, victoriously concluding the Battle of Afabet.
August 21 » The 6.9 Mw Nepal earthquake shakes the Nepal–India border with a maximum Mercalli intensity of VIII (Severe), leaving 709–1,450 people killed and thousands injured.
November 15 » Israeli–Palestinian conflict: An independent State of Palestine is proclaimed by the Palestinian National Council.
December 7 » The 6.8 Ms Armenian earthquake shakes the northern part of the country with a maximum MSK intensity of X (Devastating), killing 25,000–50,000 and injuring 31,000–130,000.
December 21 » The first flight of Antonov An-225 Mriya, the largest aircraft in the world.
When copying data from this family tree, please include a reference to the origin: Rik Plomp, "Pedigree Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plomp/I1806.php : accessed February 22, 2026), "Jan Plomp (1925-1988)".
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