The temperature on April 1, 1884 was about 10.9 °C. The air pressure was 2 kgf/m2 and came mainly from the south-southeast. 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 1 » Moses Fleetwood Walker becomes the first black person to play in a professional baseball game in the United States.
May 31 » The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria.
July 3 » Dow Jones & Company publishes its first stock average.
July 5 » Germany takes possession of Cameroon.
December 10 » Mark Twain's Adventures of Huckleberry Finn is published.
Day of marriage April 29, 1916
The temperature on April 29, 1916 was between 9.3 °C and 20.8 °C and averaged 15.5 °C. There was 12.9 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 29 » Child labor: In South Carolina, the minimum working age for factory, mill, and mine workers is raised from 12 to 14 years old.
March 15 » United States President Woodrow Wilson sends 4,800 United States troops over the U.S.–Mexico border to pursue Pancho Villa.
July 15 » In Seattle, Washington, William Boeing and George Conrad Westervelt incorporate Pacific Aero Products (later renamed Boeing).
November 5 » The Everett massacre takes place in Everett, Washington as political differences lead to a shoot-out between the Industrial Workers of the World organizers and local police.
November 13 » World War I: Prime Minister of Australia Billy Hughes is expelled from the Labor Party over his support for conscription.
December 18 » World War I: The Battle of Verdun ends when German forces under Chief of staff Erich von Falkenhayn are defeated by the French, and suffer 337,000 casualties.
Day of death December 5, 1918
The temperature on December 5, 1918 was between 7.3 °C and 10.4 °C and averaged 8.3 °C. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
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.
April 20 » Manfred von Richthofen, a.k.a. The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day.
July 15 » World War I: The Second Battle of the Marne begins near the River Marne with a German attack.
September 29 » Germany's Supreme Army Command tells the Kaiser and the Chancellor to open negotiations for an armistice.
September 29 » The Hindenburg Line is broken by an Allied attack.
November 21 » The Flag of Estonia, previously used by pro-independence activists, is formally adopted as the national flag of the Republic of Estonia.
November 25 » Vojvodina, formerly Austro-Hungarian crown land, proclaims its secession from Austria–Hungary to join the Kingdom of Serbia.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I75337.php : accessed February 16, 2026), "Hendrik Timmer (1884-1918)".
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