The temperature on June 25, 1888 was about 29.7 °C. The air pressure was 9 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 48%. 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.
March 11 » The Great Blizzard of 1888 begins along the eastern seaboard of the United States, shutting down commerce and killing more than 400.
May 12 » In Southeast Asia, the North Borneo Chartered Company's territories become the British protectorate of North Borneo.
August 21 » The first successful adding machine in the United States is patented by William Seward Burroughs.
September 22 » The first issue of National Geographic Magazine is published.
October 21 » Foundation of the Swiss Social Democratic Party.
October 29 » The Convention of Constantinople is signed, guaranteeing free maritime passage through the Suez Canal during war and peace.
Day of marriage October 30, 1912
The temperature on October 30, 1912 was between 7.0 °C and 13.8 °C and averaged 10.4 °C. There was 2.1 mm of rain. There was 1.2 hours of sunshine (12%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 23 » The International Opium Convention is signed at The Hague.
June 30 » The Regina Cyclone, Canada's deadliest tornado event, kills 28 people in Regina, Saskatchewan.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
November 19 » First Balkan War: The Serbian Army captures Bitola, ending the five-century-long Ottoman rule of Macedonia.
November 27 » Spain declares a protectorate over the north shore of Morocco.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I8737.php : accessed January 27, 2026), "Bertha Maria Mommers (1888-????)".
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