The temperature on November 9, 1937 was between 3.1 °C and 11.0 °C and averaged 7.2 °C. There was 5.9 mm of rain during 5.7 hours. There was 2.2 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 23 » The trial of the anti-Soviet Trotskyist center sees seventeen mid-level Communists accused of sympathizing with Leon Trotsky and plotting to overthrow Joseph Stalin's regime.
May 27 » In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California.
July 7 » The Marco Polo Bridge Incident provides the Imperial Japanese Army with a pretext for starting the Second Sino-Japanese War.
August 28 » Toyota Motors becomes an independent company.
September 25 » Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan.
November 9 » Second Sino-Japanese War: The Chinese Army withdraws from the Battle of Shanghai.
Day of marriage July 20, 1962
The temperature on July 20, 1962 was between 12.6 °C and 22.1 °C and averaged 16.8 °C. There was 3.2 mm of rain during 3.1 hours. There was 4.0 hours of sunshine (25%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 12 » Vietnam War: Operation Chopper, the first American combat mission in the war, takes place.
May 27 » The Centralia mine fire is ignited in the town's landfill above a coal mine.
August 16 » Eight years after the remaining French India territories were handed to India, the ratifications of the treaty are exchanged to make the transfer official.
August 20 » The NS Savannah, the world's first nuclear-powered civilian ship, embarks on its maiden voyage.
September 6 » Archaeologist Peter Marsden discovers the first of the Blackfriars Ships dating back to the second century AD in the Blackfriars area of the banks of the River Thames in London.
September 15 » The Soviet ship Poltava heads toward Cuba, one of the events that sets into motion the Cuban Missile Crisis.
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/I797.php : accessed February 21, 2026), "Clasina Theresia Josepha "Clasina" Opperman (1937-2020)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.