The temperature on September 10, 1915 was between 5.4 °C and 20.1 °C and averaged 13.6 °C. There was 11.1 hours of sunshine (85%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. 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 19 » Georges Claude patents the neon discharge tube for use in advertising.
January 24 » World War I: British Grand Fleet battle cruisers under Vice-Admiral Sir David Beatty engage Rear-Admiral Franz von Hipper's battle cruisers in the Battle of Dogger Bank.
February 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
May 9 » World War I: Second Battle of Artois between German and French forces.
July 5 » The Liberty Bell leaves Philadelphia by special train on its way to the Panama–Pacific International Exposition. This is the last trip outside Philadelphia that the custodians of the bell intend to permit.
Day of death June 15, 1977
The temperature on June 15, 1977 was between 13.8 °C and 21.4 °C and averaged 16.4 °C. There was 2.5 mm of rain during 1.7 hours. There was 1.5 hours of sunshine (9%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. 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.
January 18 » Scientists identify a previously unknown bacterium as the cause of the mysterious Legionnaires' disease.
January 28 » The first day of the Great Lakes Blizzard of 1977 which dumps 10 feet (3.0m) of snow in one day in Upstate New York, with Buffalo, Syracuse, Watertown, and surrounding areas are most affected.
May 1 » Thirty-six people are killed in Taksim Square, Istanbul, during the Labour Day celebrations.
May 25 » The Chinese government removes a decade-old ban on William Shakespeare's work, effectively ending the Cultural Revolution started in 1966.
August 18 » Steve Biko is arrested at a police roadblock under the Terrorism Act No. 83 of 1967 in King William's Town, South Africa. He later dies from injuries sustained during this arrest bringing attention to South Africa's apartheid policies.
December 13 » Air Indiana Flight 216 crashes near Evansville Regional Airport, killing 29, including the University of Evansville basketball team, support staff, and boosters of the team.
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/I112773.php : accessed October 14, 2026), "Ytzen Kootstra (1915-1977)".
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