The temperature on June 15, 1919 was between 2.5 °C and 22.2 °C and averaged 13.7 °C. There was 14.0 hours of sunshine (84%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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 7 » Montenegrin guerrilla fighters rebel against the planned annexation of Montenegro by Serbia, but fail.
January 15 » Great Molasses Flood: A wave of molasses released from an exploding storage tank sweeps through Boston, Massachusetts, killing 21 and injuring 150.
February 6 » The American Legion is founded.
April 16 » Polish–Soviet War: The Polish army launches the Vilna offensive to capture Vilnius in modern Lithuania.
June 7 » Sette Giugno: Nationalist riots break out in Valletta, the capital of Malta. British soldiers fire into the crowd, killing four people.
August 11 » Germany's Weimar Constitution is signed into law.
Day of marriage May 12, 1949
The temperature on May 12, 1949 was between 4.1 °C and 16.5 °C and averaged 10.6 °C. There was 0.1 mm of rain. There was 11.1 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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).
February 15 » Gerald Lankester Harding and Roland de Vaux begin excavations at Cave 1 of the Qumran Caves, where they will eventually discover the first seven Dead Sea Scrolls.
March 25 » More than 92,000 kulaks are suddenly deported from the Baltic states to Siberia.
March 30 » Cold War: A riot breaks out in Austurvöllur square in Reykjavík, when Iceland joins NATO.
April 18 » The keel for the aircraft carrier USSUnited States is laid down at Newport News Drydock and Shipbuilding. However, construction is canceled five days later, resulting in the Revolt of the Admirals.
June 24 » The first television western, Hopalong Cassidy, starring William Boyd, is aired on NBC.
November 26 » The Constituent Assembly of India adopts the constitution presented by Dr. B. R. Ambedkar.
Day of death May 15, 1997
The temperature on May 15, 1997 was between 4.5 °C and 18.6 °C and averaged 12.9 °C. There was 9.7 hours of sunshine (62%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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 23 » Madeleine Albright becomes the first woman to serve as United States Secretary of State.
February 4 » En route to Lebanon, two Israeli Sikorsky CH-53 troop-transport helicopters collide in mid-air over northern Galilee, Israel killing 73.
September 26 » A Garuda Indonesia Airbus A300 crashes near Medan airport, killing 234.
November 3 » The United States imposes economic sanctions against Sudan in response to its human rights abuses of its own citizens and its material and political assistance to Islamic extremist groups across the Middle East and Eastern Africa.
November 12 » Ramzi Yousef is found guilty of masterminding the 1993 World Trade Center bombing.
December 1 » Heath High School shooting in West Paducah, Kentucky
When copying data from this family tree, please include a reference to the origin: Agatha Jacoba Maria Lindeboom-Kleef, "Family tree Kleef, Reus, Lindeboom,Quax", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kleef/I443.php : accessed January 28, 2026), "Jacobus "Jaap" Kleef (1919-1997)".
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