The temperature on April 13, 1861 was about 7.0 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 91%. Source: KNMI
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
March 20 » An earthquake destroys Mendoza, Argentina.
May 13 » The Great Comet of 1861 is discovered by John Tebbutt of Windsor, New South Wales, Australia.
June 8 » American Civil War: Tennessee secedes from the Union.
August 19 » First ascent of Weisshorn, fifth highest summit in the Alps.
November 7 » American Civil War: Battle of Belmont: In Belmont, Missouri, Union forces led by General Ulysses S. Grant overrun a Confederate camp but are forced to retreat when Confederate reinforcements arrive.
December 9 » American Civil War: The Joint Committee on the Conduct of the War is established by the U.S. Congress.
Day of marriage October 20, 1881
The temperature on October 20, 1881 was about 4.1 °C. The air pressure was 4 kgf/m2 and came mainly from the east. The airpressure was 76 cm mercury. The atmospheric humidity was 87%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
April 28 » Billy the Kid escapes from the Lincoln County jail in Mesilla, New Mexico.
May 10 » Carol I is crowned the King of the Romanian Kingdom.
June 14 » The White Rajahs territories become the British protectorate of Sarawak.
June 29 » In Sudan, Muhammad Ahmad declares himself to be the Mahdi, the messianic redeemer of Islam.
July 1 » General Order 70, the culmination of the Cardwell and Childers reforms of the British Army, comes into effect.
July 14 » Billy the Kid is shot and killed by Pat Garrett outside Fort Sumner.
Day of death June 17, 1943
The temperature on June 17, 1943 was between 6.1 °C and 18.5 °C and averaged 12.4 °C. There was 1.8 mm of rain during 1.2 hours. There was 10.5 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 15 » The Pentagon is dedicated in Arlington, Virginia.
July 28 » World War II: Operation Gomorrah: The Royal Air Force bombs Hamburg, Germany causing a firestorm that kills 42,000 German civilians.
September 7 » World War II: The German 17th Army begins its evacuation of the Kuban bridgehead (Taman Peninsula) in southern Russia and moves across the Strait of Kerch to the Crimea.
October 8 » World War II: Around 30 civilians are executed by Friedrich Schubert's paramilitary group in Kallikratis, Crete.
November 28 » World War II: Tehran Conference: U.S. President Franklin D. Roosevelt, British Prime Minister Winston Churchill and Soviet Premier Joseph Stalin meet in Tehran, Iran, to discuss war strategy.
November 29 » World War II: The second session of the Anti-Fascist Council for the National Liberation of Yugoslavia (AVNOJ), held to determine the post-war ordering of the country, concludes in Jajce (present-day Bosnia and Herzegovina).
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/I157128.php : accessed February 12, 2026), "Sybrigje Ypes Poortinga (1861-1943)".
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.