February 27 » The British Labour Party is founded.
February 28 » The Second Boer War: The 118-day "Siege of Ladysmith" is lifted.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
October 19 » Max Planck discovers Planck's law of black-body radiation.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage July 21, 1930
The temperature on July 21, 1930 was between 10.6 °C and 20.9 °C and averaged 15.9 °C. There was 5.6 mm of rain during 3.0 hours. There was 2.0 hours of sunshine (12%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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 6 » The first diesel-powered automobile trip is completed, from Indianapolis, Indiana, to New York, New York.
February 3 » Communist Party of Vietnam is founded at a "Unification Conference" held in Kowloon, British Hong Kong.
June 16 » Sovnarkom establishes decree time in the USSR.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
October 5 » British airship R101 crashes in France en route to India on its maiden voyage.
December 16 » Bank robber Herman Lamm and members of his crew are killed by a 200-strong posse, following a botched bank robbery, in Clinton, Indiana.
Day of death May 9, 1985
The temperature on May 9, 1985 was between 7.5 °C and 16.9 °C and averaged 11.2 °C. There was -0.1 mm of rain. There was 3.7 hours of sunshine (24%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 13 » A passenger train plunges into a ravine in Ethiopia, killing 428 in the worst railroad disaster in Africa.
January 28 » Supergroup USA for Africa (United Support of Artists for Africa) records the hit single We Are the World, to help raise funds for Ethiopian famine relief.
March 4 » The Food and Drug Administration approves a blood test for HIV infection, used since then for screening all blood donations in the United States.
July 13 » Vice President George H. W. Bush becomes the Acting President for the day when President Ronald Reagan undergoes surgery to remove polyps from his colon.
July 19 » The Val di Stava dam collapses killing 268 people in Val di Stava, Italy.
October 1 » Israel-Palestinian conflict: Israel attacks the Palestine Liberation Organization headquarters in Tunisia during "Operation Wooden Leg".
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I257294.php : accessed January 30, 2026), "Adrianus Joannes van Riel (1900-1985)".
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.