The temperature on August 10, 1917 was between 12.3 °C and 19.0 °C and averaged 15.4 °C. There was 1.9 mm of rain. There was 3.6 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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 8 » The United States Senate votes to limit filibusters by adopting the cloture rule.
April 2 » World War I: United States President Woodrow Wilson asks the U.S. Congress for a declaration of war on Germany.
April 9 » World War I: The Battle of Arras: The battle begins with Canadian Corps executing a massive assault on Vimy Ridge.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
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.
December 6 » Finland declares independence from Soviet Russia.
Day of death September 11, 1975
The temperature on September 11, 1975 was between 10.3 °C and 18.3 °C and averaged 14.1 °C. There was 10.4 mm of rain during 2.2 hours. There was 2.9 hours of sunshine (22%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-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.
January 15 » The Alvor Agreement is signed, ending the Angolan War of Independence and giving Angola independence from Portugal.
January 30 » The Monitor National Marine Sanctuary is established as the first United States National Marine Sanctuary.
March 6 » Algiers Accord: Iran and Iraq announce a settlement of their border dispute.
April 13 » An attack by the Phalangist resistance kills 26 militia members of the Popular Front for the Liberation of Palestine, marking the start of the 15-year Lebanese Civil War.
August 23 » The Pontiac Silverdome opens in Pontiac, Michigan, 30 miles (48km) northwest of Detroit, Michigan
September 16 » Papua New Guinea gains independence from Australia.
Day of burial September 19, 1975
The temperature on September 19, 1975 was between 8.0 °C and 20.9 °C and averaged 14.0 °C. There was 7.7 hours of sunshine (62%). 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 Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
March 6 » For the first time the Zapruder film of the assassination of John F. Kennedy is shown in motion to a national TV audience by Robert J. Groden and Dick Gregory.
April 28 » General Cao Văn Viên, chief of the South Vietnamese military, departs for the US as the North Vietnamese Army closed in on victory.
May 6 » During a lull in fighting, 100,000 Armenians gather in Beirut for the 60th anniversary commemorations of the Armenian Genocide.
July 15 » Space Race: Apollo–Soyuz Test Project features the dual launch of an Apollo spacecraft and a Soyuz spacecraft on the first joint Soviet-United States human-crewed flight. It was both the last launch of an Apollo spacecraft, and the Saturn family of rockets.
August 27 » The Governor of Portuguese Timor abandons its capital, Dili, and flees to Atauro Island, leaving control to a rebel group.
November 3 » Syed Nazrul Islam, A. H. M. Qamaruzzaman, Tajuddin Ahmad, and Muhammad Mansur Ali, Bangladeshi politicians and Sheikh Mujibur Rahman loyalists, are murdered in the Dhaka Central Jail.
When copying data from this family tree, please include a reference to the origin: Marjo van Leeuwen, "Family tree Van Leeuwen-Van der Speck en vele anderen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-leeuwen-van-der-speck/R12107.php : accessed May 10, 2025), "Hendricus Johannes Petrus Boekelman (1917-1975)".
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