The temperature on October 16, 1919 was between 2.0 °C and 10.5 °C and averaged 5.2 °C. There was 8.8 mm of rain. There was 3.9 hours of sunshine (37%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 18 » Ignacy Jan Paderewski becomes Prime Minister of the newly independent Poland.
June 7 » Sette Giugno: Nationalist riots break out in Valletta, the capital of Malta. British soldiers fire into the crowd, killing four people.
July 11 » The eight-hour day and free Sunday become law for workers in the Netherlands.
July 27 » The Chicago Race Riot erupts after a racial incident occurred on a South Side beach, leading to 38 fatalities and 537 injuries over a five-day period.
August 8 » The Anglo-Afghan Treaty of 1919 is signed. It establishes peaceful relations between Afghanistan and the UK, and confirms the Durand line as the mutual border. In return, the UK is no longer obligated to subsidize the Afghan government.
September 11 » United States Marine Corps invades Honduras.
Day of marriage March 10, 1949
The temperature on March 10, 1949 was between 0.3 °C and 5.1 °C and averaged 2.7 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
March 1 » Indonesian Army recaptures and occupies for six hours its capital city Yogyakarta from the Dutch.
March 8 » President of France Vincent Auriol and ex-emperor of Annam Bảo Đại sign the Élysée Accords, giving Vietnam greater independence from France and creating the State of Vietnam to oppose Viet Minh-led Democratic Republic of Vietnam.
March 25 » More than 92,000 kulaks are suddenly deported from the Baltic states to Siberia.
April 28 » The Hukbalahap are accused of assassinating former First Lady of the Philippines Aurora Quezon, while she is en route to dedicate a hospital in memory of her late husband; her daughter and ten others are also killed.
May 20 » In the United States, the Armed Forces Security Agency, the predecessor to the National Security Agency, is established.
November 3 » Chinese Civil War: The Battle of Dengbu Island occurs.
Day of death August 21, 1997
The temperature on August 21, 1997 was between 14.6 °C and 28.5 °C and averaged 21.4 °C. There was 7.3 hours of sunshine (51%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
January 17 » Cape Canaveral Air Force Station: A Delta II carrying the GPS IIR-1 satellite explodes 13 seconds after launch, dropping 250 tons of burning rocket remains around the launch pad.
February 22 » In Roslin, Midlothian, British scientists announce that an adult sheep named Dolly has been successfully cloned.
March 22 » Tara Lipinski, aged 14 years and nine months, becomes the youngest women's World Figure Skating Champion.
June 16 » Fifty people are killed in the Daïat Labguer (M'sila) massacre in Algeria.
June 25 » An unmanned Progress spacecraft collides with the Russian space station Mir.
November 27 » Twenty-five people are killed in the second Souhane massacre in Algeria.
When copying data from this family tree, please include a reference to the origin: Egbert Leertouwer, "Family tree Trebge", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-trebge/I294.php : accessed February 6, 2026), "Pieter Koenen (1919-1997)".
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