The temperature on September 26, 1867 was about 15.5 °C. The air pressure was 1 kgf/m2 and came mainly from the north. The airpressure was 77 cm mercury. The atmospheric humidity was 58%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
February 28 » Seventy years of Holy See–United States relations are ended by a Congressional ban on federal funding of diplomatic envoys to the Vatican and are not restored until January 10, 1984.
July 17 » Harvard School of Dental Medicine is established in Boston, Massachusetts. It is the first dental school in the U.S. that is affiliated with a university.
October 18 » United States takes possession of Alaska after purchasing it from Russia for $7.2million. Celebrated annually in the state as Alaska Day.
November 3 » Giuseppe Garibaldi and his followers are defeated in the Battle of Mentana and fail to end the Pope's Temporal power in Rome (it would be achieved three years later).
November 9 » Tokugawa shogunate hands power back to the Emperor of Japan, starting the Meiji Restoration.
November 23 » The Manchester Martyrs are hanged in Manchester, England, for killing a police officer while freeing two Irish Republican Brotherhood members from custody.
Day of marriage May 7, 1891
The temperature on May 7, 1891 was about 14.1 °C. There was 0.4 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 72%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 31 » History of Portugal: The first attempt at a Portuguese republican revolution breaks out in the northern city of Porto.
March 10 » Almon Strowger patents the Strowger switch, a device which led to the automation of telephone circuit switching.
April 1 » The Wrigley Company is founded in Chicago, Illinois.
May 16 » The International Electrotechnical Exhibition opens in Frankfurt, Germany, and will feature the world's first long-distance transmission of high-power, three-phase electric current (the most common form today).
August 18 » Major hurricane strikes Martinique, leaving 700 dead.
August 24 » Thomas Edison patents the motion picture camera.
Day of death May 28, 1941
The temperature on May 28, 1941 was between 9.5 °C and 21.5 °C and averaged 15.1 °C. There was 6.1 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
March 28 » World War II: Britain's Mediterranean Fleet sinks three heavy cruisers and two destroyers of Italy's Regia Marina.
April 6 » World War II: Nazi Germany launches Operation 25 (the invasion of Kingdom of Yugoslavia) and Operation Marita (the invasion of Greece).
May 10 » World War II: Rudolf Hess parachutes into Scotland to try to negotiate a peace deal between the United Kingdom and Nazi Germany.
July 4 » World War II: The Burning of the Riga synagogues: The Great Choral Synagogue in German occupied Riga is burnt with 300 Jews locked in the basement.
July 26 » World War II: In response to the Japanese occupation of French Indochina, the United States, Britain and the Netherlands freeze all Japanese assets and cut off oil shipments.
December 25 » Admiral Chester W. Nimitz arrives at Pearl Harbor to assume command of the U.S. Pacific Fleet.
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/I125017.php : accessed February 12, 2026), "Sipke Poortinga (1867-1941)".
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