April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
Day of marriage March 20, 1924
The temperature on March 20, 1924 was between -1.7 °C and 5.4 °C and averaged 1.6 °C. There was 9.6 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 22 » Ramsay MacDonald becomes the first Labour Prime Minister of the United Kingdom.
February 8 » Capital punishment: The first state execution in the United States by gas chamber takes place in Nevada.
June 26 » The American occupation of the Dominican Republic ends after eight years.
September 28 » The first aerial circumnavigation is completed by a team from the US Army.
December 20 » Adolf Hitler is released from Landsberg Prison.
December 24 » Albania becomes a republic.
Day of death July 28, 1977
The temperature on July 28, 1977 was between 10.8 °C and 18.4 °C and averaged 15.0 °C. There was 1.7 mm of rain during 1.4 hours. There was 0.5 hours of sunshine (3%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 8 » Three bombs explode in Moscow, Russia, Soviet Union, within 37 minutes, killing seven. The bombings are attributed to an Armenian separatist group.
January 20 » Jimmy Carter is inaugurated the 39th President of the United States of America.
March 2 » Libya becomes the Socialist People's Libyan Arab Jamahiriya as the General People's Congress adopted the "Declaration on the Establishment of the Authority of the People".
June 7 » Five hundred million people watch the high day of the Silver Jubilee of Queen Elizabeth II begin on television.
June 15 » After the death of dictator Francisco Franco in 1975, the first democratic elections took place in Spain.
September 12 » South African anti-apartheid activist Steve Biko dies in police custody.
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/I75991.php : accessed October 13, 2026), "Heintje Visser (1897-1977)".
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.