The temperature on January 17, 1891 was about -11.0 °C. The air pressure was 1 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 90%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
February 15 » Allmänna Idrottsklubben (AIK) (Swedish Sports Club) is founded.
March 3 » Shoshone National Forest is established as the first national forest in the US and world.
March 10 » Almon Strowger patents the Strowger switch, a device which led to the automation of telephone circuit switching.
August 18 » Major hurricane strikes Martinique, leaving 700 dead.
August 24 » Thomas Edison patents the motion picture camera.
October 1 » Stanford University opens its doors in California, United States.
Day of marriage May 21, 1931
The temperature on May 21, 1931 was between 7.4 °C and 18.3 °C and averaged 12.8 °C. There was 1.0 mm of rain during 0.6 hours. There was 8.7 hours of sunshine (55%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 7 » Guy Menzies flies the first solo non-stop trans-Tasman flight (from Australia to New Zealand) in 11 hours and 45 minutes, crash-landing on New Zealand's west coast.
January 21 » Sir Isaac Isaacs is sworn in as the first Australian-born Governor-General of Australia.
February 20 » The U.S. Congress approves the construction of the San Francisco–Oakland Bay Bridge by the state of California.
March 11 » Ready for Labour and Defence of the USSR, abbreviated as GTO, is introduced in the Soviet Union.
May 14 » Five unarmed civilians are killed in the Ådalen shootings, as the Swedish military is called in to deal with protesting workers.
July 16 » Emperor Haile Selassie signs the first constitution of Ethiopia.
Day of death April 16, 1961
The temperature on April 16, 1961 was between 8.5 °C and 11.9 °C and averaged 9.9 °C. There was 4.2 mm of rain during 7.6 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
January 3 » A protest by agricultural workers in Baixa de Cassanje, Portuguese Angola, turns into a revolt, opening the Angolan War of Independence, the first of the Portuguese Colonial Wars.
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
March 14 » A USAF B-52 bomber crashes near near Yuba City, California whilst carrying nuclear weapons.
May 19 » Venera program: Venera 1 becomes the first man-made object to fly by another planet by passing Venus (the probe had lost contact with Earth a month earlier and did not send back any data).
May 28 » Peter Benenson's article The Forgotten Prisoners is published in several internationally read newspapers. This will later be thought of as the founding of the human rights organization Amnesty International.
August 13 » Cold War: East Germany closes the border between the eastern and western sectors of Berlin to thwart its inhabitants' attempts to escape to the West, and construction of the Berlin Wall is started.
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/I113253.php : accessed October 6, 2026), "Gerlof de Haan (1891-1961)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.