The temperature on May 24, 1915 was between 9.6 °C and 22.8 °C and averaged 16.6 °C. There was 14.2 hours of sunshine (88%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
July 7 » The First Battle of the Isonzo comes to an end.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
Day of marriage March 11, 1948
The temperature on March 11, 1948 was between 4.6 °C and 12.7 °C and averaged 8.0 °C. There was 2.8 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
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).
April 9 » Jorge Eliécer Gaitán's assassination provokes a violent riot in Bogotá (the Bogotazo), and a further ten years of violence in Colombia.
May 15 » Following the expiration of The British Mandate for Palestine, the Kingdom of Egypt, Transjordan, Lebanon, Syria, Iraq and Saudi Arabia invade Israel thus starting the 1948 Arab–Israeli War.
June 22 » King George VI formally gives up the title "Emperor of India", half a year after Britain actually gave up its rule of India.
July 5 » National Health Service Acts create the national public health system in the United Kingdom.
September 15 » The Indian Army captures the towns of Jalna, Latur, Mominabad, Surriapet and Narkatpalli as part of Operation Polo.
October 28 » Paul Müller is awarded the Nobel Prize in Physiology or Medicine for his discovery of the insecticidal properties of DDT.
Day of death July 31, 1980
The temperature on July 31, 1980 was between 10.6 °C and 24.2 °C and averaged 18.3 °C. There was 10.5 hours of sunshine (67%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 26 » Egypt–Israel relations are formally established.
February 25 » The government of Suriname is overthrown by a military coup led by Dési Bouterse.
March 27 » The Norwegian oil platform Alexander L. Kielland collapses in the North Sea, killing 123 of its crew of 212.
April 12 » Transbrasil Flight 303, a Boeing 727, crashes on approach to Hercílio Luz International Airport, in Florianópolis, Brazil. Fifty-five out of the 58 people on board are killed.
July 23 » Phạm Tuân becomes the first Vietnamese citizen and the first Asian in space when he flies aboard the Soyuz 37 mission as an Intercosmos Research Cosmonaut.
August 1 » Vigdís Finnbogadóttir is elected President of Iceland and becomes the world's first democratically elected female head of state.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I110916.php : accessed October 20, 2026), "Pieter de Haas (1915-1980)".
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