The temperature on September 11, 1887 was about 12.7 °C. The air pressure was 11 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 98%. 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 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
October 1 » Balochistan is conquered by the British Empire.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
Day of marriage April 19, 1912
The temperature on April 19, 1912 was between 0.6 °C and 17.9 °C and averaged 10.2 °C. There was 11.1 hours of sunshine (79%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
May 4 » Italy occupies the Greek island of Rhodes.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
November 27 » Spain declares a protectorate over the north shore of Morocco.
Day of death July 29, 1961
The temperature on July 29, 1961 was between 9.0 °C and 19.1 °C and averaged 14.1 °C. There was 2.1 mm of rain during 0.6 hours. There was 2.9 hours of sunshine (18%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
February 14 » Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
February 15 » Sabena Flight 548 crashes in Belgium, killing 73, including the entire United States figure skating team along with several of their coaches and family members.
March 29 » The Twenty-third Amendment to the United States Constitution is ratified, allowing residents of Washington, D.C., to vote in presidential elections.
April 23 » Algiers putsch by French generals.
September 16 » The United States National Hurricane Research Project drops eight cylinders of silver iodide into the eyewall of Hurricane Esther. Wind speed reduces by 10%, giving rise to Project Stormfury.
November 11 » Thirteen Italian Air Force servicemen, deployed to the Congo as a part of the UN peacekeeping force, are massacred by a mob in Kindu.
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/I218259.php : accessed October 21, 2026), "Harm Hummel (1887-1961)".
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.