The temperature on March 23, 1884 was about 7.6 °C. There was 0.7 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 71%. 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.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
May 31 » The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 5 » Germany takes possession of Cameroon.
November 1 » The Gaelic Athletic Association is set up in Hayes's Hotel in Thurles, County Tipperary.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of marriage May 12, 1910
The temperature on May 12, 1910 was between 7.9 °C and 20.6 °C and averaged 14.2 °C. There was 13.0 hours of sunshine (84%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of death February 16, 1920
The temperature on February 16, 1920 was between 3.5 °C and 9.9 °C and averaged 7.2 °C. There was 0.1 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
February 29 » Czechoslovak National Assembly adopts the Constitution.
July 20 » The Greek Army takes control of Silivri after Greece is awarded the city by the Paris Peace Conference; by 1923 Greece effectively lost control to the Turks.
November 2 » In the United States, KDKA of Pittsburgh starts broadcasting as the first commercial radio station. The first broadcast is the result of the 1920 United States presidential election.
November 15 » First assembly of the League of Nations is held in Geneva, Switzerland.
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/I81167.php : accessed October 23, 2026), "Willem Adema (1884-1920)".
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.