The temperature on April 17, 1981 was between 1.3 °C and 10.4 °C and averaged 5.8 °C. There was 10.7 hours of sunshine (76%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
April 9 » The U.S. Navy nuclear submarine USSGeorge Washington accidentally collides with the Nissho Maru, a Japanese cargo ship, sinking it.
May 5 » Bobby Sands dies in the Long Kesh prison hospital after 66 days of hunger-striking, aged 27.
June 24 » The Humber Bridge opens to traffic, connecting Yorkshire and Lincolnshire. It remained the world's longest bridge span for 17years.
July 17 » A structural failure leads to the collapse of a walkway at the Hyatt Regency in Kansas City, Missouri, killing 114 people and injuring more than 200.
October 22 » The United States Federal Labor Relations Authority votes to decertify the Professional Air Traffic Controllers Organization (PATCO) for its strike the previous August.
November 23 » Iran–Contra affair: Ronald Reagan signs the top secret National Security Decision Directive 17 (NSDD-17), giving the Central Intelligence Agency the authority to recruit and support Contra rebels in Nicaragua.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3951.php : accessed February 7, 2026), "Goalan Njong (1889-1981)".
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