The temperature on May 4, 1889 was about 17.6 °C. The air pressure was 8 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. Source: KNMI
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
July 8 » The first issue of The Wall Street Journal is published.
Day of marriage May 17, 1913
The temperature on May 17, 1913 was between 7.1 °C and 19.8 °C and averaged 13.5 °C. There was 6.4 hours of sunshine (41%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
January 5 » First Balkan War: The Battle of Lemnos begins; Greek admiral Pavlos Kountouriotis forces the Turkish fleet to retreat to its base within the Dardanelles, from which it did not venture for the rest of the war.
February 21 » Ioannina is incorporated into the Greek state after the Balkan Wars.
March 20 » Sung Chiao-jen, a founder of the Chinese Nationalist Party, is wounded in an assassination attempt and dies 2 days later.
March 26 » First Balkan War: Bulgarian forces capture Adrianople.
May 3 » Raja Harishchandra, the first full-length Indian feature film, is released, marking the beginning of the Indian film industry.
December 14 » Haruna, the fourth and last Kongō-class ship, launches, eventually becoming one of the Japanese workhorses during World War I and World War II.
Day of death April 11, 1961
The temperature on April 11, 1961 was between 4.3 °C and 15.6 °C and averaged 9.8 °C. There was 0.1 mm of rain. There was 8.9 hours of sunshine (65%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
February 12 » The Soviet Union launches Venera 1 towards Venus.
May 31 » The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership.
June 4 » Cold War: In the Vienna summit, the Soviet premier Nikita Khrushchev sparks the Berlin Crisis by threatening to sign a separate peace treaty with East Germany and ending American, British and French access to East Berlin.
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
August 21 » Motown releases what would be its first #1 hit (in America), "Please Mr. Postman" by The Marvelettes.
September 17 » The world's first retractable roof stadium, the Civic Arena, opens in Pittsburgh, Pennsylvania.
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/I81319.php : accessed October 18, 2026), "Sieger Bergsma (1889-1961)".
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