The temperature on December 31, 1911 was between 0.3 °C and 5.5 °C and averaged 3.4 °C. There was 0.1 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 29 » Italy declares war on the Ottoman Empire.
Day of marriage January 29, 1931
The temperature on January 29, 1931 was between -0.1 °C and 5.2 °C and averaged 2.1 °C. There was 3.2 mm of rain during 4.0 hours. There was 0.7 hours of sunshine (8%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 20 » The U.S. Congress approves the construction of the San Francisco–Oakland Bay Bridge by the state of California.
March 14 » Alam Ara, India's first talking film, is released.
May 1 » The Empire State Building is dedicated in New York City.
May 7 » The stand-off between criminal Francis Crowley and 300 members of the New York Police Department takes place in his fifth-floor apartment on West 91st Street, New York City.
July 16 » Emperor Haile Selassie signs the first constitution of Ethiopia.
November 22 » Al-Mina'a SC is founded in Iraq.
Day of death July 20, 1989
The temperature on July 20, 1989 was between 7.8 °C and 24.8 °C and averaged 17.8 °C. There was 14.1 hours of sunshine (88%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 1 » Margaret Thatcher's new local government tax, the Community Charge (commonly known as the "poll tax"), is introduced in Scotland.
May 2 » Cold War: Hungary begins dismantling its border fence with Austria, which allows a number of East Germans to defect.
June 4 » The Tiananmen Square protests are suppressed in Beijing by the People's Liberation Army, with between 241 and 1,000 dead (an unofficial estimate).
August 18 » Leading presidential hopeful Luis Carlos Galán is assassinated near Bogotá in Colombia.
September 8 » Partnair Flight 394 dives into the North Sea, killing 55 people. The investigation showed that the tail of the plane vibrated loose in flight due to sub-standard connecting bolts that had been fraudulently sold as aircraft-grade.
October 26 » China Airlines Flight 204 crashes after take off from Hualien Airport in Taiwan, killing all 54 people on board.
Day of burial July 25, 1989
The temperature on July 25, 1989 was between 15.0 °C and 23.0 °C and averaged 18.6 °C. There was 0.1 mm of rain during 0.1 hours. There was 0.2 hours of sunshine (1%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
August 8 » Space Shuttle program: STS-28 Mission: Space Shuttle Columbia takes off on a secret five-day military mission.
August 19 » Several hundred East Germans cross the frontier between Hungary and Austria during the Pan-European Picnic, part of the events that began the process of the Fall of the Berlin Wall.
August 22 » Nolan Ryan strikes out Rickey Henderson to become the first Major League Baseball pitcher to record 5,000 strikeouts.
November 7 » David Dinkins becomes the first African American to be elected Mayor of New York City.
December 17 » Romanian Revolution: Protests continue in Timișoara, Romania, with rioters breaking into the Romanian Communist Party's District Committee building and attempting to set it on fire.
December 25 » Romanian Revolution: Deposed President of Romania Nicolae Ceaușescu and his wife, Elena, are condemned to death and executed after a summary trial.
When copying data from this family tree, please include a reference to the origin: E. Hillebregt - Zuiderwijk, "Family tree Scheffer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-scheffer/I457.php : accessed February 10, 2026), "Manna Halfwerk (1911-1989)".
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