The temperature on June 23, 1888 was about 21.0 °C. The air pressure was 4 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 70%. 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.
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.
January 13 » The National Geographic Society is founded in Washington, D.C.
May 16 » Nikola Tesla delivers a lecture describing the equipment which will allow efficient generation and use of alternating currents to transmit electric power over long distances.
August 31 » Mary Ann Nichols is murdered. She is the first of Jack the Ripper's confirmed victims.
September 8 » Isaac Peral's submarine is first tested.
September 22 » The first issue of National Geographic Magazine is published.
September 30 » Jack the Ripper kills his third and fourth victims, Elizabeth Stride and Catherine Eddowes.
Day of marriage May 30, 1914
The temperature on May 30, 1914 was between 6.2 °C and 18.5 °C and averaged 12.9 °C. There was 6.2 hours of sunshine (38%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
August 15 » World War I: Beginning of the Battle of Cer, the first Allied victory of World War I.
August 26 » World War I: During the retreat from Mons, the British II Corps commanded by General Sir Horace Smith-Dorrien fought a vigorous and successful defensive action at Le Cateau.
September 5 » World War I: First Battle of the Marne begins. Northeast of Paris, the French attack and defeat German forces who are advancing on the capital.
October 5 » World War I: An aircraft successfully destroys another aircraft with gunfire.
November 9 » SMSEmden is sunk by HMASSydney in the Battle of Cocos.
December 16 » World War I: Admiral Franz von Hipper commands a raid on Scarborough, Hartlepool and Whitby.
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/I102255.php : accessed December 27, 2025), "Iebe Poelstra (1888-????)".
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