The temperature on November 11, 1884 was about 9.6 °C. The air pressure was 5 kgf/m2 and came mainly from the east-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 66%. 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.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
July 3 » Dow Jones & Company publishes its first stock average.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of death April 12, 1960
The temperature on April 12, 1960 was between 5.2 °C and 12.1 °C and averaged 8.9 °C. There was 0.2 mm of rain during 0.5 hours. There was 5.6 hours of sunshine (41%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 1 » Cameroon achieves independence from France and the United Kingdom.
January 28 » The National Football League announced expansion teams for Dallas to start in the 1960 NFL season and Minneapolis-St. Paul for 1961 NFL season.
February 8 » Queen Elizabeth II of the United Kingdom issues an Order-in-Council, stating that she and her family would be known as the House of Windsor, and that her descendants will take the name Mountbatten-Windsor.
March 17 » U.S. President Dwight D. Eisenhower signs the National Security Council directive on the anti-Cuban covert action program that will ultimately lead to the Bay of Pigs Invasion.
August 11 » Chad declares independence.
September 2 » The first election of the Parliament of the Central Tibetan Administration, in history of Tibet. The Tibetan community observes this date as Democracy Day.
When copying data from this family tree, please include a reference to the origin: Peter Menting, "Family tree Menting", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-menting/I13722.php : accessed March 7, 2026), "Johannes Arnoldus Marcus Wolf (1884-1960)".
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.