The temperature on April 30, 1916 was between 6.7 °C and 21.6 °C and averaged 14.9 °C. There was 13.2 hours of sunshine (89%). The average windspeed was 3 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.
June 3 » The National Defense Act is signed into law, increasing the size of the United States National Guard by 450,000 men.
August 27 » World War I: The Kingdom of Romania declares war on Austria-Hungary, entering the war as one of the Allied nations.
September 6 » The first self-service grocery store Piggly Wiggly was opened in Memphis, Tennessee by Clarence Saunders.
September 15 » World War I: Tanks are used for the first time in battle, at the Battle of the Somme.
November 13 » World War I: Prime Minister of Australia Billy Hughes is expelled from the Labor Party over his support for conscription.
November 18 » World War I: First Battle of the Somme: In France, British Expeditionary Force commander Douglas Haig calls off the battle which started on July 1, 1916.
Day of death May 7, 1977
The temperature on May 7, 1977 was between 2.4 °C and 15.6 °C and averaged 9.0 °C. There was 1.5 mm of rain during 0.6 hours. There was 8.3 hours of sunshine (54%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
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.
May 14 » A Dan-Air Boeing 707 leased to IAS Cargo Airlines crashes on approach to Lusaka International Airport (now Kenneth Kaunda International Airport) in Lusaka, Zambia, killing six people.
June 16 » Oracle Corporation is incorporated in Redwood Shores, California, as Software Development Laboratories (SDL), by Larry Ellison, Bob Miner and Ed Oates.
July 4 » The George Jackson Brigade plants a bomb at the main power substation for the Washington state capitol in Olympia, in solidarity with a prison strike at the Walla Walla State Penitentiary Intensive Security Unit.
July 20 » The Johnstown flood of 1977 kills 84 people and causes millions of dollars in damages.
October 13 » Hijacking of Lufthansa Flight 181 by the Popular Front for the Liberation of Palestine.
October 26 » Ali Maow Maalin, the last natural case of smallpox, develops a rash in Somalia. The World Health Organization and the Centers for Disease Control and Prevention consider this date to be the anniversary of the eradication of smallpox, the most spectacular success of vaccination.
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/I176537.php : accessed October 18, 2026), "Leo Tjerk Wassenaar (1916-1977)".
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