The temperature on October 5, 1914 was between 6.7 °C and 12.9 °C and averaged 10.5 °C. There was 6.9 mm of rain. The average windspeed was 3 Bft (moderate breeze) 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.
June 28 » Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo; this is the casus belli of World War I.
July 18 » The U.S. Congress forms the Aviation Section, U.S. Signal Corps, giving official status to aircraft within the U.S. Army for the first time.
July 23 » Austria-Hungary issues a series of demands in an ultimatum to the Kingdom of Serbia demanding Serbia to allow the Austrians to determine who assassinated Archduke Franz Ferdinand. Serbia accepts all but one of those demands and Austria declares war on July 28.
August 15 » World War I: Beginning of the Battle of Cer, the first Allied victory of World War I.
September 22 » A German submarine sinks three British cruisers over a seventy-minute period, killing almost 1500 sailors.
September 26 » The United States Federal Trade Commission is established by the Federal Trade Commission Act.
Day of death May 25, 1966
The temperature on May 25, 1966 was between 8.6 °C and 15.0 °C and averaged 11.4 °C. There was 10.4 mm of rain during 11.4 hours. There was 1.1 hours of sunshine (7%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 13 » Robert C. Weaver becomes the first African American Cabinet member when he is appointed United States Secretary of Housing and Urban Development.
April 26 » A new government is formed in the Republic of the Congo, led by Ambroise Noumazalaye.
June 2 » Surveyor program: Surveyor 1 lands in Oceanus Procellarum on the Moon, becoming the first U.S. spacecraft to soft-land on another world.
June 30 » The National Organization for Women, the United States' largest feminist organization, is founded.
August 1 » Charles Whitman kills 16 people at the University of Texas at Austin before being killed by the police.
August 22 » Labor movements NFWA and AWOC merge to become the United Farm Workers Organizing Committee (UFWOC), predecessor of the United Farm Workers.
When copying data from this family tree, please include a reference to the origin: Hans Pruckmuller, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/van-willigen-stamboom/I8847.php : accessed January 17, 2026), "Johanna Maria van der Zalm (1914-1966)".
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