The temperature on August 17, 1865 was about 17.1 °C. There was 16 mm of rain. The air pressure was 2.5 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
January 31 » American Civil War: Confederate General Robert E. Lee becomes general-in-chief.
April 12 » American Civil War: Mobile, Alabama, falls to the Union Army.
July 14 » First ascent of the Matterhorn by Edward Whymper and party, four of whom die on the descent.
October 11 » Hundreds of black men and women march in Jamaica, starting the Morant Bay rebellion.
December 4 » North Carolina ratifies 13th Amendment to the U.S. Constitution, followed soon by Georgia, and U.S. slaves were legally free within two weeks.
December 24 » Jonathan Shank and Barry Ownby form The Ku Klux Klan.
Day of death June 11, 1950
The temperature on June 11, 1950 was between 6.3 °C and 20.7 °C and averaged 14.8 °C. There was 14.0 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
When copying data from this family tree, please include a reference to the origin: Herman Steinmeier, "Family tree Steinmeier/De Vries", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-steinmeier/R2559.php : accessed January 22, 2026), "Geert Koster (1865-1950)".
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.