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.
April 9 » World War I: The Battle of Verdun: German forces launch their third offensive of the battle.
April 10 » The Professional Golfers' Association of America (PGA) is created in New York City.
May 6 » Vietnamese Emperor Duy Tân is captured while calling upon the people to rise up against the French, and is later deposed and exiled to Réunion island.
June 15 » United States President Woodrow Wilson signs a bill incorporating the Boy Scouts of America, making them the only American youth organization with a federal charter.
August 16 » The Migratory Bird Treaty between Canada and the United States is signed.
September 7 » US federal employees win the right to Workers' compensation by Federal Employers Liability Act (39 Stat. 742; 5 U.S.C. 751)
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.
March 11 » The 1977 Hanafi Siege: More than 130 hostages held in Washington, D.C., by Hanafi Muslims are set free after ambassadors from three Islamic nations join negotiations.
March 16 » Assassination of Kamal Jumblatt, the main leader of the anti-government forces in the Lebanese Civil War.
April 7 » German Federal prosecutor Siegfried Buback and his driver are shot by two Red Army Faction members while waiting at a red light.
May 9 » Hotel Polen fire: A disastrous fire burns down the Hotel Polen in Amsterdam causing 33 deaths and 21 severe injuries.
July 13 » Somalia declares war on Ethiopia, starting the Ogaden War.
December 25 » Israeli Prime Minister Menachem Begin meets in Egypt with its president Anwar Sadat.
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 February 13, 2026), "Leo Tjerk Wassenaar (1916-1977)".
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