The temperature on December 22, 1884 was about 3.0 °C. The air pressure was 30 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 77%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 4 » The Fabian Society is founded in London, United Kingdom.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
May 31 » The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria.
July 5 » Germany takes possession of Cameroon.
October 6 » The Naval War College of the United States is founded in Rhode Island.
December 10 » Mark Twain's Adventures of Huckleberry Finn is published.
Day of death April 20, 1944
The temperature on April 20, 1944 was between 5.0 °C and 15.0 °C and averaged 8.7 °C. There was 0.6 mm of rain during 1.8 hours. There was 4.1 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 29 » World War II: British agent Nancy Wake, a leading figure in the French Resistance and the Gestapo's most wanted person, parachutes back into France to be a liaison between London and the local maquis group.
June 10 » World War II: Six hundred forty-two men, women and children massacred at Oradour-sur-Glane, France.
July 26 » World War II: The Red Army enters Lviv, a major city in western Ukraine, capturing it from the Nazis. Only 300 Jews survive out of 160,000 living in Lviv prior to occupation.
September 13 » World War II: Start of the Battle of Meligalas between the Greek Resistance forces of the Greek People's Liberation Army (ELAS) and the collaborationist security battalions.
October 20 » World War II: The Soviet Army and Yugoslav Partisans liberate Belgrade.
December 26 » World War II: George S. Patton's Third Army breaks the encirclement of surrounded U.S. forces at Bastogne, Belgium.
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/I67364.php : accessed October 24, 2026), "Harmen Postma (1884-1944)".
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.