The temperature on May 26, 1915 was between 9.9 °C and 25.2 °C and averaged 17.7 °C. There was 13.7 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-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 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
January 24 » World War I: British Grand Fleet battle cruisers under Vice-Admiral Sir David Beatty engage Rear-Admiral Franz von Hipper's battle cruisers in the Battle of Dogger Bank.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
September 5 » The pacifist Zimmerwald Conference begins.
September 25 » World War I: The Second Battle of Champagne begins.
Day of marriage August 5, 1940
The temperature on August 5, 1940 was between 13.4 °C and 25.4 °C and averaged 19.3 °C. There was 11.9 hours of sunshine (78%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
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.
April 25 » Merkið, the flag of the Faroe Islands is approved by the British occupation government.
June 10 » World War II: The Kingdom of Italy declares war on France and the United Kingdom.
June 14 » The Soviet Union presents an ultimatum to Lithuania resulting in Lithuanian loss of independence.
June 17 » World War II: RMSLancastria is attacked and sunk by the Luftwaffe near Saint-Nazaire, France. At least 3,000 are killed in Britain's worst maritime disaster.
June 23 » Adolf Hitler goes on a three-hour tour of the architecture of Paris with architect Albert Speer and sculptor Arno Breker in his only visit to the city.
July 25 » General Henri Guisan orders the Swiss Army to resist German invasion and makes surrender illegal.
Day of death May 21, 1977
The temperature on May 21, 1977 was between 7.0 °C and 16.8 °C and averaged 11.5 °C. There was 1.7 mm of rain during 2.2 hours. There was 2.1 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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.
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 2 » Libya becomes the Socialist People's Libyan Arab Jamahiriya as the General People's Congress adopted the "Declaration on the Establishment of the Authority of the People".
April 22 » Optical fiber is first used to carry live telephone traffic.
June 30 » The Southeast Asia Treaty Organization disbands.
July 19 » The world's first Global Positioning System (GPS) signal was transmitted from Navigation Technology Satellite 2 (NTS-2) and received at Rockwell Collins in Cedar Rapids, Iowa, at 12:41a.m. Eastern time (ET).
December 5 » Egypt breaks diplomatic relations with Syria, Libya, Algeria, Iraq and South Yemen. The move is in retaliation for the Declaration of Tripoli against Egypt.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I120463.php : accessed February 12, 2026), "Jan de Haan (1915-1977)".
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