The temperature on June 26, 1905 was between 12.6 °C and 23.6 °C and averaged 16.8 °C. There was 8.9 hours of sunshine (53%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
May 28 » Russo-Japanese War: The Battle of Tsushima ends with the destruction of the Russian Baltic Fleet by Admiral Tōgō Heihachirō and the Imperial Japanese Navy.
June 7 » Norway's parliament dissolves its union with Sweden. The vote was confirmed by a national plebiscite on August 13 of that year.
June 30 » Albert Einstein sends the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity, for publication in Annalen der Physik.
September 11 » The Ninth Avenue derailment occurs in New York City, killing 13.
October 26 » King Oscar II recognizes the dissolution of the union between Norway and Sweden.
November 21 » Albert Einstein's paper that leads to the mass–energy equivalence formula, E=mc², is published in the journal Annalen der Physik.
Day of marriage November 23, 1937
The temperature on November 23, 1937 was between -0.6 °C and 6.7 °C and averaged 3.9 °C. There was 0.6 mm of rain during 0.4 hours. There was 1.1 hours of sunshine (13%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 19 » Yekatit 12: During a public ceremony at the Viceregal Palace (the former Imperial residence) in Addis Ababa, Ethiopia, two Ethiopian nationalists of Eritrean origin attempt to kill viceroy Rodolfo Graziani with a number of grenades.
April 1 » The Royal New Zealand Air Force is formed as an independent service.
May 7 » Spanish Civil War: The German Condor Legion, equipped with Heinkel He 51 biplanes, arrives in Spain to assist Francisco Franco's forces.
July 5 » Spam, the luncheon meat, is introduced into the market by the Hormel Foods Corporation.
August 13 » Second Sino-Japanese War: The Battle of Shanghai begins.
September 21 » J. R. R. Tolkien's The Hobbit is published.
Day of death December 6, 1990
The temperature on December 6, 1990 was between -1.9 °C and 6.7 °C and averaged 2.5 °C. There was 0.4 hours of sunshine (5%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 11 » Patricio Aylwin is sworn in as the first democratically elected President of Chile since 1970.
March 19 » The ethnic clashes of Târgu Mureș begin four days after the anniversary of the Revolutions of 1848 in the Austrian Empire.
September 9 » Batticaloa massacre: Massacre of 184 Tamil civilians by the Sri Lankan Army in Batticaloa District.
October 3 » The German Democratic Republic is abolished and becomes part of the Federal Republic of Germany.
October 15 » Soviet Union leader Mikhail Gorbachev is awarded the Nobel Peace Prize for his efforts to lessen Cold War tensions and open up his nation.
December 22 » Lech Wałęsa is elected President of Poland.
When copying data from this family tree, please include a reference to the origin: Ton Ross, "Family tree Ross - Peters - Hart - van der Willigen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ross/I2000.php : accessed January 12, 2026), "Wilhelmus Bernardus Kemperman (1905-1990)".
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