April 25 » New York becomes the first U.S. state to require automobile license plates.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
September 14 » U.S. President William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt.
September 28 » Philippine–American War: Filipino guerrillas kill more than forty American soldiers while losing 28 of their own.
October 29 » Leon Czolgosz, the assassin of U.S. President William McKinley, is executed by electrocution.
November 27 » The U.S. Army War College is established.
Day of death March 8, 1968
The temperature on March 8, 1968 was between -0.5 °C and 6.6 °C and averaged 3.4 °C. There was 1.2 mm of rain during 3.4 hours. There was 3.8 hours of sunshine (34%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
July 1 » Formal separation of the United Auto Workers from the AFL–CIO in the United States.
August 21 » Cold War: Nicolae Ceaușescu, leader of Communist Romania, publicly condemns the Soviet-led Warsaw Pact invasion of Czechoslovakia, encouraging the Romanian population to arm itself against possible Soviet reprisals.
October 14 » The 6.5 Mw Meckering earthquake shook the southwest portion of Western Australia with a maximum Mercalli intensity of IX (Violent), causing $2.2 million in damage and leaving 20–28 people injured.
November 17 » British European Airways introduces the BAC One-Eleven into commercial service.
November 22 » The Beatles release The Beatles (known popularly as The White Album).
December 21 » Apollo program: Apollo 8 is launched from the Kennedy Space Center, placing its crew on a lunar trajectory for the first visit to another celestial body by humans.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I9953.php : accessed March 15, 2026), "Pieter de Boer (1901-1968)".
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.