The temperature on April 20, 1917 was between 4.1 °C and 10.4 °C and averaged 6.4 °C. There was 1.7 hours of sunshine (12%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. 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.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
March 26 » World War I: First Battle of Gaza: British troops are halted after 17,000 Turks block their advance.
April 2 » World War I: United States President Woodrow Wilson asks the U.S. Congress for a declaration of war on Germany.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
October 12 » World War I: The First Battle of Passchendaele takes place resulting in the largest single-day loss of life in New Zealand history.
November 20 » World War I: Battle of Cambrai begins: British forces make early progress in an attack on German positions but are later pushed back.
Day of death September 5, 1978
The temperature on September 5, 1978 was between 6.5 °C and 17.3 °C and averaged 11.8 °C. There was 8.9 hours of sunshine (66%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northwest. 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.
April 28 » President of Afghanistan, Mohammed Daoud Khan, is overthrown and assassinated in a coup led by pro-communist rebels.
May 3 » The first unsolicited bulk commercial email (which would later become known as "spam") is sent by a Digital Equipment Corporation marketing representative to every ARPANET address on the west coast of the United States.
May 12 » In Zaire, rebels occupy the city of Kolwezi, the mining center of the province of Shaba (now known as Katanga); the local government asks the US, France and Belgium to restore order.
July 25 » Birth of Louise Joy Brown, the first human to have been born after conception by in vitro fertilisation, or IVF.
July 30 » The 730: Okinawa Prefecture changes its traffic on the right-hand side of the road to the left-hand side.
September 16 » The 7.4 Mw Tabas earthquake affects the city of Tabas, Iran with a maximum Mercalli intensity of IX (Violent). At least 15,000 people were killed.
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/I122901.php : accessed February 24, 2026), "Jan Kolstein (1917-1978)".
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