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
January 26 » Glenn Curtiss flies the first successful American seaplane.
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
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.
January 7 » Guy Menzies flies the first solo non-stop trans-Tasman flight (from Australia to New Zealand) in 11 hours and 45 minutes, crash-landing on New Zealand's west coast.
February 3 » The Hawke's Bay earthquake, New Zealand's worst natural disaster, kills 258.
February 20 » The U.S. Congress approves the construction of the San Francisco–Oakland Bay Bridge by the state of California.
March 5 » The British Raj: Gandhi–Irwin Pact is signed.
October 17 » Al Capone is convicted of income tax evasion.
October 21 » A secret society in the Imperial Japanese Army launches an abortive coup d'état attempt.
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 26 » People's Daily publishes the April 26 Editorial which inflames the nascent Tiananmen Square protests.
June 5 » The Tank Man halts the progress of a column of advancing tanks for over half an hour after the Tiananmen Square protests of 1989.
June 7 » Surinam Airways Flight 764 crashes on approach to Paramaribo-Zanderij International Airport in Suriname because of pilot error, killing 176 of 187 aboard.
October 19 » The convictions of the Guildford Four are quashed by the Court of Appeal of England and Wales, after they had spent 15 years in prison.
December 6 » The École Polytechnique massacre (or Montreal Massacre): Marc Lépine, an anti-feminist gunman, murders 14 young women at the École Polytechnique in Montreal.
December 22 » Communist President of Romania Nicolae Ceaușescu is overthrown by Ion Iliescu after days of bloody confrontations. The deposed dictator and his wife flee Bucharest in a helicopter as protesters erupt in cheers.
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.
July 6 » The Tel Aviv–Jerusalem bus 405 suicide attack: Sixteen bus passengers are killed when a member of the Palestinian Islamic Jihad took control of the bus and drove it over a cliff.
July 19 » United Airlines Flight 232 crashes in Sioux City, Iowa killing 111.
August 16 » A solar particle event affects computers at the Toronto Stock Exchange, forcing a halt to trading.
August 24 » Cincinnati Reds manager Pete Rose is banned from baseball for gambling by Commissioner A. Bartlett Giamatti.
September 11 » Hungary announces that the East German refugees who had been housed in temporary camps were free to leave for West Germany.
November 13 » Hans-Adam II, the present Prince of Liechtenstein, begins his reign on the death of his father.
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 October 3, 2026), "Manna Halfwerk (1911-1989)".
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