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.
January 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
May 1 » The RMSLusitania departs from New York City on her 202nd, and final, crossing of the North Atlantic. Six days later, the ship is torpedoed off the coast of Ireland with the loss of 1,198 lives.
June 5 » Denmark amends its constitution to allow women's suffrage.
July 24 » The passenger ship SSEastland capsizes while tied to a dock in the Chicago River. A total of 844 passengers and crew are killed in the largest loss of life disaster from a single shipwreck on the Great Lakes.
September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
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).
March 17 » Belgium, France, Luxembourg, the Netherlands and the United Kingdom sign the Treaty of Brussels, a precursor to the North Atlantic Treaty establishing NATO.
April 30 » In Bogotá, Colombia, the Organization of American States is established.
May 24 » Arab–Israeli War: Egypt captures the Israeli kibbutz of Yad Mordechai, but the five-day effort gives Israeli forces time to prepare enough to stop the Egyptian advance a week later.
June 26 » Cold War: The first supply flights are made in response to the Berlin Blockade.
October 30 » A luzzu fishing boat overloaded with passengers capsizes and sinks in the Gozo Channel off Qala, Gozo, Malta, killing 23 of the 27 people on board.
December 14 » Thomas T. Goldsmith Jr. and Estle Ray Mann are granted a patent for their cathode-ray tube amusement device, the earliest known interactive electronic game.
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.
March 18 » A Vostok-2M rocket at Plesetsk Cosmodrome Site 43 explodes during a fueling operation, killing 48 people.
April 2 » United States President Jimmy Carter signs the Crude Oil Windfall Profits Tax Act.
May 5 » Operation Nimrod: The British Special Air Service storms the Iranian embassy in London after a six-day siege.
May 14 » Salvadoran Civil War: the Sumpul River massacre occurs in Chalatenango, El Salvador.
September 5 » The Gotthard Road Tunnel opens in Switzerland as the world's longest highway tunnel at 10.14 miles (16.32km) stretching from Göschenen to Airolo.
October 2 » Michael Myers becomes the first member of either chamber of Congress to be expelled since the Civil War.
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 16, 2026), "Pieter de Haas (1915-1980)".
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