The temperature on April 11, 1918 was between 5.1 °C and 14.4 °C and averaged 9.1 °C. There was 0.1 mm of rain. There was 2.9 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
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 9 » Battle of Bear Valley: The last battle of the American Indian Wars.
January 17 » Finnish Civil War: The first serious battles take place between the Red Guards and the White Guard.
February 3 » The Twin Peaks Tunnel in San Francisco, California begins service as the longest streetcar tunnel in the world at 11,920 feet (3,633 meters) long.
March 27 » The National Council of Bessarabia proclaims union with the Kingdom of Romania.
April 23 » World War I: The British Royal Navy makes a raid in an attempt to neutralise the Belgian port of Bruges-Zeebrugge.
October 4 » World War I: An explosion kills more than 100 people and destroys a Shell Loading Plant in New Jersey.
Day of marriage August 6, 1936
The temperature on August 6, 1936 was between 8.1 °C and 17.7 °C and averaged 14.2 °C. There was 2.3 mm of rain during 0.8 hours. There was 1.3 hours of sunshine (9%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
August 19 » The Great Purge of the Soviet Union begins when the first of the Moscow Trials is convened.
August 24 » The Australian Antarctic Territory is created.
October 1 » Spanish Civil War: The Central Committee of Antifascist Militias of Catalonia dissolves itself, handing control of Catalan defence militias over to the Generalitat.
October 26 » The first electric generator at Hoover Dam goes into full operation.
November 25 » In Berlin, Germany and Japan sign the Anti-Comintern Pact, agreeing to consult on measures "to safeguard their common interests" in the case of an unprovoked attack by the Soviet Union against either nation. The pact is renewed on the same day five years later with additional signatories.
December 23 » Spanish Civil War: The Spanish Republic legalizes the Regional Defence Council of Aragon.
Day of death September 22, 1998
The temperature on September 22, 1998 was between 10.0 °C and 18.5 °C and averaged 13.6 °C. There was 9.9 hours of sunshine (81%). 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.
In The Netherlands , there was from Monday, August 3, 1998 to Monday, July 22, 2002 the cabinet Kok II, with W. Kok (PvdA) as prime minister.
February 1 » Rear Admiral Lillian E. Fishburne becomes the first female African American to be promoted to rear admiral.
March 24 » Mitchell Johnson and Andrew Golden, aged 11 and 13 respectively, fire upon teachers and students at Westside Middle School in Jonesboro, Arkansas; five people are killed and ten are wounded.
May 4 » A federal judge in Sacramento, California, gives "Unabomber" Theodore Kaczynski four life sentences plus 30 years after Kaczynski accepts a plea agreement sparing him from the death penalty.
October 29 » ATSC HDTV broadcasting in the United States is inaugurated with the launch of the STS-95 space shuttle mission.
November 9 » A U.S. federal judge, in the largest civil settlement in American history, orders 37 U.S. brokerage houses to pay US$1.03 billion to cheated NASDAQ investors to compensate for price fixing.
December 31 » The European Exchange Rate Mechanism freezes the values of the legacy currencies in the Eurozone, and establishes the value of the euro currency.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I115.php : accessed January 5, 2026), "Maria Elisabeth "Bets" Opperman (1918-1998)".
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