The temperature on February 1, 1865 was about 3.9 °C. There was 4 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the south. The airpressure was 74 cm mercury. The atmospheric humidity was 97%. 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.
March 2 » East Cape War: The Völkner Incident in New Zealand.
March 19 » American Civil War: The Battle of Bentonville begins. By the end of the battle two days later, Confederate forces had retreated from Four Oaks, North Carolina.
May 25 » In Mobile, Alabama, around 300 people are killed when an ordnance depot explodes.
July 14 » First ascent of the Matterhorn by Edward Whymper and party, four of whom die on the descent.
July 31 » The first narrow-gauge mainline railway in the world opens at Grandchester, Queensland, Australia.
December 17 » First performance of the Unfinished Symphony by Franz Schubert.
Day of marriage May 5, 1902
The temperature on May 5, 1902 was between 2.2 °C and 11.3 °C and averaged 6.6 °C. There was 4.7 hours of sunshine (31%). Source: KNMI
January 30 » The first Anglo-Japanese Alliance is signed in London.
March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
May 31 » Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 9 » Edward VII and Alexandra of Denmark are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
Day of death May 15, 1941
The temperature on May 15, 1941 was between 0.6 °C and 12.2 °C and averaged 6.3 °C. There was 6.8 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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 10 » World War II: The Greek army captures Kleisoura.
February 23 » Plutonium is first produced and isolated by Dr. Glenn T. Seaborg.
March 25 » The Kingdom of Yugoslavia joins the Axis powers with the signing of the Tripartite Pact.
April 16 » World War II: The Nazi-affiliated Ustaše is put in charge of the Independent State of Croatia by the Axis powers after Operation 25 is effected.
October 4 » Norman Rockwell's Willie Gillis character debuts on the cover of The Saturday Evening Post.
November 13 » World War II: The aircraft carrier HMSArk Royal is torpedoed by U-81, sinking the following day.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3504.php : accessed January 29, 2026), "Johannes Hendrikus Siepkes (1865-1941)".
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