The temperature on January 23, 1971 was between 4.0 °C and 12.0 °C and averaged 7.1 °C. There was 9.1 mm of rain during 10.0 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 8 » The NASDAQ stock market index opens for the first time.
February 9 » Apollo program: Apollo 14 returns to Earth after the third manned Moon landing.
February 15 » The decimalisation of British coinage is completed on Decimal Day.
August 9 » The Troubles: The British Army in Northern Ireland launches Operation Demetrius. Hundreds of people are arrested and interned, thousands are displaced, and twenty are killed in the violence that followed.
November 6 » The United States Atomic Energy Commission tests the largest U.S. underground hydrogen bomb, code-named Cannikin, on Amchitka Island in the Aleutians.
November 15 » Intel releases the world's first commercial single-chip microprocessor, the 4004.
Day of death May 23, 1978
The temperature on May 23, 1978 was between 8.8 °C and 14.1 °C and averaged 10.5 °C. There was 0.9 hours of sunshine (6%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
March 16 » A Balkan Bulgarian Airlines Tupolev Tu-134 crashes near Gabare, Bulgaria, killing 73.
March 16 » Former Italian Prime Minister Aldo Moro is kidnapped. (He is later murdered by his captors.)
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 10 » President Moktar Ould Daddah of Mauritania is ousted in a bloodless coup d'état.
August 19 » In Iran, Cinema Rex fire caused more than 400 deaths.
December 27 » Spain becomes a democracy after 40 years of fascist dictatorship.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I80747.php : accessed March 6, 2026), "Henderikus "Erik" van Engen (1971-1978)".
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