The temperature on February 23, 1867 was about 8.8 °C. The air pressure was 13 kgf/m2 and came mainly from the northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 74%. 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 13 » Work begins on the covering of the Senne, burying Brussels's primary river and creating the modern central boulevards.
March 2 » The U.S. Congress passes the first Reconstruction Act.
March 29 » Queen Victoria gives Royal Assent to the British North America Act which establishes Canada on July 1.
May 3 » The Hudson's Bay Company gives up all claims to Vancouver Island.
July 1 » The British North America Act takes effect as the Province of Canada, New Brunswick, and Nova Scotia join into confederation to create the modern nation of Canada. Sir John A. Macdonald is sworn in as the first Prime Minister of Canada. This date is commemorated annually in Canada as Canada Day, a national holiday.
October 21 » The Medicine Lodge Treaty is signed by southern Great Plains Indian leaders. The treaty requires Native American Plains tribes to relocate to a reservation in western Oklahoma.
Day of marriage September 12, 1898
The temperature on September 12, 1898 was about 16.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 88%. Source: KNMI
February 7 » Dreyfus affair: Émile Zola is brought to trial for libel for publishing J'Accuse…!.
February 23 » Émile Zola is imprisoned in France after writing J'Accuse…!, a letter accusing the French government of antisemitism and wrongfully imprisoning Captain Alfred Dreyfus.
July 3 » A Spanish squadron, led by Pascual Cervera y Topete, is defeated by an American squadron under William T. Sampson in the Battle of Santiago de Cuba.
August 12 » The Hawaiian flag is lowered from ʻIolani Palace in an elaborate annexation ceremony and replaced with the flag of the United States to signify the transfer of sovereignty from the Republic of Hawaii to the United States.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
October 18 » The United States takes possession of Puerto Rico from Spain.
Day of death July 19, 1949
The temperature on July 19, 1949 was between 9.8 °C and 17.4 °C and averaged 13.9 °C. There was 0.2 mm of rain during 0.5 hours. There was 2.8 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 26 » The Hale telescope at Palomar Observatory sees first light under the direction of Edwin Hubble, becoming the largest aperture optical telescope (until BTA-6 is built in 1976).
February 19 » Ezra Pound is awarded the first Bollingen Prize in poetry by the Bollingen Foundation and Yale University.
February 24 » The Armistice Agreements are signed, to formally end the hostilities of the 1948 Arab-Israeli War.
April 28 » The Hukbalahap are accused of assassinating former First Lady of the Philippines Aurora Quezon, while she is en route to dedicate a hospital in memory of her late husband; her daughter and ten others are also killed.
July 27 » Initial flight of the de Havilland Comet, the first jet-powered airliner.
August 31 » The retreat of the Democratic Army of Greece in Albania after its defeat on Gramos mountain marks the end of the Greek Civil War.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I2129.php : accessed October 6, 2026), "Peter Johannes Swertz (1867-1949)".
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