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
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 22 » Columbia Phonograph is formed in Washington, D.C.
February 11 » Meiji Constitution of Japan is adopted.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
November 8 » Montana is admitted as the 41st U.S. state.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
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.
March 18 » King George I of Greece is assassinated in the recently liberated city of Thessaloniki.
May 29 » Igor Stravinsky's ballet score The Rite of Spring receives its premiere performance in Paris, France, provoking a riot.
June 4 » Emily Davison, a suffragette, runs out in front of King George V's horse at The Derby. She is trampled, never regains consciousness, and dies four days later.
June 19 » Natives Land Act, 1913 in South Africa implemented.
November 9 » The Great Lakes Storm of 1913, the most destructive natural disaster ever to hit the lakes, reaches its greatest intensity after beginning two days earlier. The storm destroys 19 ships and kills more than 250 people.
December 24 » The Italian Hall disaster in Calumet, Michigan results in the deaths of 73 Christmas party participants (including 59 children) when someone falsely yells "fire".
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
January 8 » In France a referendum supports Charles de Gaulle's policies in Algeria.
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
February 13 » An allegedly 500,000-year-old rock is discovered near Olancha, California, US, that appears to anachronistically encase a spark plug.
May 14 » Civil rights movement: A white mob twice attacks a Freedom Riders bus near Anniston, Alabama, before fire-bombing the bus and attacking the civil rights protesters who flee the burning vehicle.
May 28 » Peter Benenson's article The Forgotten Prisoners is published in several internationally read newspapers. This will later be thought of as the founding of the human rights organization Amnesty International.
July 12 » Indian city Pune floods due to failure of the Khadakwasla and Panshet dams, killing at least two thousand people.
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 17, 2026), "Sieger Bergsma (1889-1961)".
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