The temperature on June 1, 1916 was between 8.0 °C and 20.5 °C and averaged 14.7 °C. There was 8.1 hours of sunshine (49%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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.
April 10 » The Professional Golfers' Association of America (PGA) is created in New York City.
April 29 » Easter Rising: After six days of fighting, Irish rebel leaders surrender to British forces in Dublin, bringing the Easter Rising to an end.
May 6 » Twenty-one Lebanese nationalists are executed in Martyrs' Square, Beirut by Djemal Pasha.
August 27 » World War I: The Kingdom of Romania declares war on Austria-Hungary, entering the war as one of the Allied nations.
November 21 » Mines from SM U-73 sink the HMHS Britannic, the largest ship lost in the First World War.
December 18 » World War I: The Battle of Verdun ends when German forces under Chief of staff Erich von Falkenhayn are defeated by the French, and suffer 337,000 casualties.
Day of marriage March 14, 1940
The temperature on March 14, 1940 was between -1.9 °C and 5.9 °C and averaged 0.5 °C. There was 26.8 mm of rain during 13.7 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
May 25 » World War II: The German 2nd Panzer Division captures the port of Boulogne-sur-Mer; the surrender of the last French and British troops marks the end of the Battle of Boulogne.
September 6 » King Carol II of Romania abdicates and is succeeded by his son Michael. General Ion Antonescu becomes the Conducător of Romania.
September 12 » Cave paintings are discovered in Lascaux, France.
October 31 » World War II: The Battle of Britain ends: The United Kingdom prevents a possible German invasion.
November 5 » Franklin D. Roosevelt is the first and only President of the United States to be elected to a third term.
December 14 » Plutonium (specifically Pu-238) is first isolated at Berkeley, California.
Day of death February 27, 1999
The temperature on February 27, 1999 was between 4.7 °C and 7.0 °C and averaged 5.8 °C. There was 1.9 mm of rain during 3.1 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
March 28 » Kosovo War: Serb paramilitary and military forces kill 146 Kosovo Albanians in Izbica.
April 14 » A severe hailstorm strikes Sydney, Australia causing A$2.3billion in insured damages, the most costly natural disaster in Australian history.
May 7 » Kosovo War: Three Chinese citizens are killed and 20 wounded when a NATO aircraft apparently inadvertently bombs the Chinese embassy in Belgrade, Serbia.
May 24 » The International Criminal Tribunal for the former Yugoslavia in The Hague, Netherlands indicts Slobodan Milošević and four others for war crimes and crimes against humanity committed in Kosovo.
August 17 » The 7.6 Mw İzmit earthquake shakes northwestern Turkey with a maximum Mercalli intensity of IX (Violent), leaving 17,118–17,127 dead and 43,953–50,000 injured.
October 31 » Yachtsman Jesse Martin returns to Melbourne after 11 months of circumnavigating the world, solo, non-stop and unassisted.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I189781.php : accessed October 22, 2026), "Roelf Koets (1916-1999)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.