The temperature on August 15, 1917 was between 13.1 °C and 20.2 °C and averaged 15.6 °C. There was 0.5 mm of rain. There was 6.8 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
June 7 » World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops.
June 23 » In a game against the Washington Senators, Boston Red Sox pitcher Ernie Shore retires 26 batters in a row after replacing Babe Ruth, who had been ejected for punching the umpire.
June 28 » World War I: Greece joins the Allied powers.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
October 26 » First World War: Brazil declares war on the Central Powers.
November 25 » World War I: German forces defeat Portuguese army of about 1,200 at Negomano on the border of modern-day Mozambique and Tanzania.
Day of marriage January 21, 1949
The temperature on January 21, 1949 was between 4.0 °C and 7.4 °C and averaged 5.9 °C. There was 1.4 mm of rain during 1.2 hours. There was 2.8 hours of sunshine (33%). The average windspeed was 6 Bft (strong wind) and was prevailing from the west-northwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 25 » The first Emmy Awards are presented; the venue is the Hollywood Athletic Club.
April 1 » The Government of Canada repeals Japanese-Canadian internment after seven years.
June 14 » Albert II, a rhesus monkey, rides a V-2 rocket to an altitude of 134km (83mi), thereby becoming the first monkey in space.
July 21 » The United States Senate ratifies the North Atlantic Treaty.
August 29 » Soviet atomic bomb project: The Soviet Union tests its first atomic bomb, known as First Lightning or Joe 1, at Semipalatinsk, Kazakhstan.
September 4 » The Peekskill riots erupt after a Paul Robeson concert in Peekskill, New York.
Day of death July 20, 1994
The temperature on July 20, 1994 was between 14.7 °C and 27.4 °C and averaged 21.5 °C. There was 11.9 hours of sunshine (74%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. 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.
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.
February 22 » Aldrich Ames and his wife are charged by the United States Department of Justice with spying for the Soviet Union.
April 14 » In a U.S. friendly fire incident during Operation Provide Comfort in northern Iraq, two United States Air Force aircraft mistakenly shoot-down two United States Army helicopters, killing 26 people.
April 30 » Formula One racing driver Roland Ratzenberger is killed in a crash during the qualifying session of the San Marino Grand Prix run at Autodromo Enzo e Dino Ferrari outside Imola, Italy.
June 1 » Republic of South Africa becomes a Commonwealth republic.
August 31 » Russia completes removing its troops from Estonia.
September 30 » Ongar railway station, the furthest London Underground from central London, closes.
When copying data from this family tree, please include a reference to the origin: Jo IJzerman, "Family tree IJzerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ijzerman/I1981.php : accessed January 17, 2026), "Willempje IJzerman (1917-1994)".
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