The temperature on June 30, 1917 was between 13.6 °C and 17.2 °C and averaged 15.0 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-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.
January 11 » The Kingsland munitions factory explosion occurs as a result of sabotage.
April 2 » World War I: United States President Woodrow Wilson asks the U.S. Congress for a declaration of war on Germany.
May 21 » The Imperial War Graves Commission is established through royal charter to mark, record, and maintain the graves and places of commemoration of the British Empire's military forces.
November 2 » The Balfour Declaration proclaims British support for the "establishment in Palestine of a national home for the Jewish people" with the clear understanding "that nothing shall be done which may prejudice the civil and religious rights of existing non-Jewish communities".
November 7 » The Gregorian calendar date of the October Revolution, which gets its name from the Julian calendar date of 25 October. On this date in 1917, the Bolsheviks storm the Winter Palace.
December 20 » Cheka, the first Soviet secret police force, is founded.
Day of marriage May 9, 1941
The temperature on May 9, 1941 was between -0.8 °C and 11.3 °C and averaged 6.5 °C. There was 7.1 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 23 » Plutonium is first produced and isolated by Dr. Glenn T. Seaborg.
April 23 » World War II: The Greek government and King George II evacuate Athens before the invading Wehrmacht.
April 27 » World War II: German troops enter Athens.
July 7 » The US occupation of Iceland replaces the UK's occupation.
August 22 » World War II: German troops begin the Siege of Leningrad.
August 29 » World War II: Tallinn, the capital of Estonia, is occupied by Nazi Germany following an occupation by the Soviet Union.
Day of death April 17, 1978
The temperature on April 17, 1978 was between -0.7 °C and 10.4 °C and averaged 4.7 °C. There was 9.7 hours of sunshine (69%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west. 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.
January 31 » The Crown of St. Stephen (also known as the Holy Crown of Hungary) goes on public display after being returned to Hungary from the United States, where it was held after World War II.
March 23 » The first UNIFIL troops arrived in Lebanon for peacekeeping mission along the Blue Line.
June 9 » The Church of Jesus Christ of Latter-day Saints opens its priesthood to "all worthy men", ending a 148-year-old policy of excluding black men.
September 17 » The Camp David Accords are signed by Israel and Egypt.
October 1 » Tuvalu gains independence from the United Kingdom.
December 10 » Arab–Israeli conflict: Prime Minister of Israel Menachem Begin and President of Egypt Anwar Sadat are jointly awarded the Nobel Peace Prize.
When copying data from this family tree, please include a reference to the origin: Alle Elbers, "Sluzigers (e.a.)", database, Genealogy Online (https://www.genealogieonline.nl/sluzigers/I135248.php : accessed February 12, 2026), "Johannes Hoekstra (1917-1978)".
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