The temperature on July 23, 1912 was between 13.8 °C and 22.5 °C and averaged 17.8 °C. There was 6.5 hours of sunshine (41%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
June 30 » The Regina Cyclone, Canada's deadliest tornado event, kills 28 people in Regina, Saskatchewan.
July 8 » Henrique Mitchell de Paiva Couceiro leads an unsuccessful royalist attack against the First Portuguese Republic in Chaves.
September 28 » The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
November 27 » Spain declares a protectorate over the north shore of Morocco.
Day of death September 23, 1975
The temperature on September 23, 1975 was between 8.8 °C and 21.0 °C and averaged 15.4 °C. There was 0.9 mm of rain during 0.8 hours. There was 6.5 hours of sunshine (53%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) 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.
March 6 » Algiers Accord: Iran and Iraq announce a settlement of their border dispute.
April 21 » Vietnam War: President of South Vietnam Nguyễn Văn Thiệu flees Saigon, as Xuân Lộc, the last South Vietnamese outpost blocking a direct North Vietnamese assault on Saigon, falls.
June 5 » The United Kingdom holds its first country-wide referendum on membership of the European Economic Community (EEC).
October 16 » Three-year-old Rahima Banu, from Bangladesh, is the last known case of naturally occurring smallpox.
October 30 » Prince Juan Carlos I of Spain becomes acting head of state, taking over for the country's ailing dictator, Gen. Francisco Franco.
November 10 » Israeli-Palestinian conflict: the United Nations General Assembly passes Resolution 3379, determining that Zionism is a form of racism.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Apool", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-apool/I1099508263.php : accessed February 18, 2026), "Hendrikus Rietberg (1912-1975)".
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