The temperature on September 28, 1915 was between 5.8 °C and 14.2 °C and averaged 9.7 °C. There was 0.5 mm of rain. There was 7.3 hours of sunshine (62%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
March 20 » Albert Einstein publishes his general theory of relativity.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
August 27 » Attempted assassination of Bishop Patrick Heffron, bishop of the Diocese of Winona by Rev. Louis M. Lesches.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
Day of marriage July 31, 1940
The temperature on July 31, 1940 was between 13.0 °C and 20.7 °C and averaged 16.4 °C. There was 2.3 hours of sunshine (15%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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.
February 29 » 12th Academy Awards: For her performance as "Mammy" in Gone with the Wind, Hattie McDaniel becomes the first African American to win an Academy Award.
February 29 » In a ceremony held in Berkeley, California, physicist Ernest Lawrence receives the 1939 Nobel Prize in Physics from Sweden's Consul General in San Francisco.
April 9 » Vidkun Quisling seizes power in Norway.
August 18 » World War II: The Hardest Day air battle, part of the Battle of Britain. At that point, the largest aerial engagement in history with heavy losses sustained on both sides.
August 26 » Chad becomes the first French colony to join the Allies under the administration of Félix Éboué, France's first black colonial governor.
August 31 » Pennsylvania Central Airlines Trip 19 crashes near Lovettsville, Virginia. The CAB investigation of the accident is the first investigation to be conducted under the Bureau of Air Commerce act of 1938.
Day of death April 1, 2006
The temperature on April 1, 2006 was between 6.9 °C and 14.9 °C and averaged 11.1 °C. There was 0.1 mm of rain during 0.2 hours. There was 6.6 hours of sunshine (51%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Tuesday, May 27, 2003 to Friday, July 7, 2006 the cabinet Balkenende II, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
In The Netherlands , there was from Friday, July 7, 2006 to Thursday, February 22, 2007 the cabinet Balkenende III, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
April 14 » Twin blasts triggered by crude bombs during Asr prayer in Jama Masjid, Delhi injure 13 people.
July 4 » Space Shuttle program: Discovery launches STS-121 to the International Space Station. The event gained wide media attention as it was the only shuttle launch in the program's history to occur on the United States' Independence Day.
August 20 » Sri Lankan Civil War: Sri Lankan Tamil politician and former MP S. Sivamaharajah is shot dead at his home in Tellippalai.
August 27 » Comair Flight 5191 crashes on takeoff from Blue Grass Airport in Lexington, Kentucky bound for Hartsfield–Jackson Atlanta International Airport in Atlanta. Of the passengers and crew, 49 of 50 are confirmed dead in the hours following the crash.
October 22 » A Panama Canal expansion proposal is approved by 77.8% of voters in a National referendum.
November 10 » Sri Lankan Tamil politician Nadarajah Raviraj is assassinated in Colombo.
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/I211602.php : accessed December 26, 2025), "Sietse Grijpstra (1915-2006)".
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.