The temperature on February 29, 1864 was about 1.2 °C. The air pressure was 1 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 98%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
May 7 » American Civil War: The Army of the Potomac, under General Ulysses S. Grant, breaks off from the Battle of the Wilderness and moves southwards.
May 15 » American Civil War: Battle of New Market, Virginia: Students from the Virginia Military Institute fight alongside the Confederate army to force Union General Franz Sigel out of the Shenandoah Valley.
May 31 » American Civil War: Overland Campaign: Battle of Cold Harbor: The Army of Northern Virginia engages the Army of the Potomac.
August 5 » American Civil War: The Battle of Mobile Bay begins at Mobile Bay near Mobile, Alabama, Admiral David Farragut leads a Union flotilla through Confederate defenses and seals one of the last major Southern ports.
September 1 » American Civil War: The Confederate Army General John Bell Hood orders the evacuation of Atlanta, ending a four-month siege by General William Tecumseh Sherman.
September 19 » American Civil War: Union troops under Philip Sheridan defeat a Confederate force commanded by Jubal Early. With over 50,000 troops engaged, it was the largest battle fought in the Shenandoah Valley.
Day of marriage February 20, 1890
The temperature on February 20, 1890 was about -3.3 °C. The air pressure was 1 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 74%. Source: KNMI
July 26 » In Buenos Aires, Argentina the Revolución del Parque takes place, forcing President Miguel Ángel Juárez Celman's resignation.
August 6 » At Auburn Prison in New York, murderer William Kemmler becomes the first person to be executed by electric chair.
August 7 » Anna Månsdotter became the last woman to be executed in Sweden for the 1889 Yngsjö murder.
September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
October 1 » Yosemite National Park is established by the U.S. Congress.
December 22 » Cornwallis Valley Railway begins operation between Kentville and Kingsport, Nova Scotia.
Day of death June 1, 1953
The temperature on June 1, 1953 was between 5.4 °C and 13.2 °C and averaged 8.7 °C. There was 8.1 mm of rain during 3.2 hours. There was 4.5 hours of sunshine (27%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
February 28 » James Watson and Francis Crick announce to friends that they have determined the chemical structure of DNA; the formal announcement takes place on April 25 following publication in April's Nature (pub. April 2).
April 25 » Francis Crick and James Watson publish "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" describing the double helix structure of DNA.
May 29 » Edmund Hillary and Sherpa Tenzing Norgay become the first people to reach the summit of Mount Everest, on Tenzing Norgay's (adopted) 39th birthday.
September 12 » U.S. Senator and future President John Fitzgerald Kennedy marries Jacqueline Lee Bouvier at St. Mary's Church in Newport, Rhode Island.
October 30 » President Eisenhower approves the top-secret document NSC 162/2 concerning the maintenance of a strong nuclear deterrent force against the Soviet Union.
December 8 » U.S. President Dwight D. Eisenhower delivers his "Atoms for Peace" speech, which leads to an American program to supply equipment and information on nuclear power to schools, hospitals, and research institutions around the world.
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/I47173.php : accessed October 5, 2026), "Sjoerd Zeilmaker (1864-1953)".
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