The temperature on June 21, 1917 was between 13.1 °C and 20.1 °C and averaged 16.5 °C. There was 5.8 mm of rain. There was 6.6 hours of sunshine (39%). 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.
February 24 » World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States.
March 1 » The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text.
April 9 » World War I: The Battle of Arras: The battle begins with Canadian Corps executing a massive assault on Vimy Ridge.
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.
July 12 » The Bisbee Deportation occurs as vigilantes kidnap and deport nearly 1,300 striking miners and others from Bisbee, Arizona.
November 24 » In Milwaukee, nine members of the Milwaukee Police Department are killed by a bomb, the most deaths in a single event in U.S. police history until the September 11 attacks in 2001.
Day of marriage October 25, 1930
The temperature on October 25, 1930 was between 3.1 °C and 10.0 °C and averaged 5.9 °C. There was 5.4 mm of rain during 3.3 hours. There was 3.0 hours of sunshine (30%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 18 » Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft.
June 16 » Sovnarkom establishes decree time in the USSR.
June 17 » U.S. President Herbert Hoover signs the Smoot–Hawley Tariff Act into law.
July 7 » Industrialist Henry J. Kaiser begins construction of Boulder Dam (now known as Hoover Dam).
July 30 » In Montevideo, Uruguay wins the first FIFA World Cup.
August 7 » The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana; two men, Thomas Shipp and Abram Smith, are killed.
Day of death August 4, 1963
The temperature on August 4, 1963 was between 14.9 °C and 20.8 °C and averaged 17.8 °C. There was 22.7 mm of rain during 4.2 hours. There was 0.1 hours of sunshine (1%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
May 25 » The Organisation of African Unity is established in Addis Ababa, Ethiopia.
June 16 » Soviet Space Program: Vostok 6 mission: Cosmonaut Valentina Tereshkova becomes the first woman in space.
July 12 » Pauline Reade, 16, disappears in Gorton, England, the first victim in the Moors murders.
September 2 » CBS Evening News becomes U.S. network television's first half-hour weeknight news broadcast, when the show is lengthened from 15 to 30 minutes.
October 18 » Félicette, a black and white female Parisian stray cat becomes the first cat launched into space.
December 8 » Pan Am Flight 214, a Boeing 707, is struck by lightning and crashes near Elkton, Maryland, killing all 81 people on board.
When copying data from this family tree, please include a reference to the origin: John Bart, "Family tree Denneman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-denneman/I85.php : accessed March 15, 2026), "Adrianus Hopman (1917-1963)".
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