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 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
Day of marriage March 31, 1926
The temperature on March 31, 1926 was between -1.0 °C and 12.8 °C and averaged 6.6 °C. There was 8.9 hours of sunshine (69%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
May 9 » Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.)
May 25 » Sholom Schwartzbard assassinates Symon Petliura, the head of the government of the Ukrainian People's Republic, which is in government-in-exile in Paris.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
October 31 » Last issue of the independent Italian newspaper Il Mondo, thereafter suppressed by the Mussolini regime
Day of death April 10, 1980
The temperature on April 10, 1980 was between 1.3 °C and 10.2 °C and averaged 7.0 °C. There was 0.1 mm of rain during 0.1 hours. There was 2.0 hours of sunshine (15%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
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 7 » U.S. President Jimmy Carter authorizes legislation giving $1.5 billion in loans to bail out the Chrysler Corporation.
February 2 » Reports surface that the FBI is targeting allegedly corrupt Congressmen in the Abscam operation.
May 9 » In Florida, Liberian freighter MVSummit Venture collides with the Sunshine Skyway Bridge over Tampa Bay, making a 1,400-ft. section of the southbound span collapse. Thirty-five people in six cars and a Greyhound bus fall 150ft. into the water and die.
May 17 » On the eve of presidential elections, Maoist guerrilla group Shining Path attacks a polling location in Chuschi (a town in Ayacucho), starting the Internal conflict in Peru.
June 10 » The African National Congress in South Africa publishes a call to fight from their imprisoned leader Nelson Mandela.
December 2 » Salvadoran Civil War: Four American missionaries are raped and murdered by a death squad.
When copying data from this family tree, please include a reference to the origin: A. Petit, "Family tree Petit", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-petit/I40.php : accessed March 12, 2026), "Maria Hendrika Petit (1897-1980)".
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.