The temperature on May 22, 1909 was between 11.2 °C and 26.3 °C and averaged 18.0 °C. There was 12.3 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
February 22 » The sixteen battleships of the Great White Fleet, led by USSConnecticut, return to the United States after a voyage around the world.
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
August 19 » The first automobile race at the Indianapolis Motor Speedway.
August 24 » Workers start pouring concrete for the Panama Canal.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
Day of marriage April 20, 1938
The temperature on April 20, 1938 was between -0.6 °C and 11.1 °C and averaged 5.2 °C. There was 8.5 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 28 » The World Land Speed Record on a public road is broken by Rudolf Caracciola in the Mercedes-Benz W195 at a speed of 432.7 kilometres per hour (268.9mph).
March 18 » Mexico creates Pemex by expropriating all foreign-owned oil reserves and facilities.
July 31 » Archaeologists discover engraved gold and silver plates from King Darius the Great in Persepolis.
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
September 30 » Britain, France, Germany and Italy sign the Munich Agreement, whereby Germany annexes the Sudetenland region of Czechoslovakia.
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
Day of death December 25, 1992
The temperature on December 25, 1992 was between -0.5 °C and 3.6 °C and averaged 1.2 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
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.
January 16 » El Salvador officials and rebel leaders sign the Chapultepec Peace Accords in Mexico City, Mexico ending the 12-year Salvadoran Civil War that claimed at least 75,000 lives.
February 15 » Serial killer Jeffrey Dahmer is sentenced in Milwaukee to life in prison.
April 13 » Basements throughout the Chicago Loop are flooded, forcing the Chicago Board of Trade Building and the Chicago Mercantile Exchange to close.
April 22 » In a series of explosions in Guadalajara, Mexico, 206 people are killed, nearly 500 injured and 15,000 left homeless.
June 17 » A "joint understanding" agreement on arms reduction is signed by U.S. President George Bush and Russian President Boris Yeltsin (this would be later codified in START II).
July 19 » A car bomb kills Judge Paolo Borsellino and five members of his escort.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I730.php : accessed February 23, 2026), "Gerdina Jacoba Maria Opperman (1909-1992)".
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