The temperature on July 28, 1895 was about 18.2 °C. There was 0.5 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 92%. Source: KNMI
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
November 27 » At the Swedish–Norwegian Club in Paris, Alfred Nobel signs his last will and testament, setting aside his estate to establish the Nobel Prize after he dies.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage May 11, 1921
The temperature on May 11, 1921 was between 4.2 °C and 19.8 °C and averaged 13.0 °C. There was 0.1 mm of rain. There was 9.9 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
August 23 » British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary. Of her 49 British and American training crew, only four survive.
September 5 » Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: One of the first scandals of the Hollywood community.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
October 29 » The Harvard University football team loses to Centre College, ending a 25-game winning streak. This is considered one of the biggest upsets in college football.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
Day of death June 2, 1975
The temperature on June 2, 1975 was between 0.2 °C and 13.0 °C and averaged 7.2 °C. There was 4.9 mm of rain during 2.5 hours. There was 1.5 hours of sunshine (9%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
February 4 » Haicheng earthquake (magnitude 7.3 on the Richter scale) occurs in Haicheng, Liaoning, China.
February 21 » Watergate scandal: Former United States Attorney General John N. Mitchell and former White House aides H. R. Haldeman and John Ehrlichman are sentenced to prison.
April 3 » Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default.
October 10 » Papua New Guinea joins the United Nations.
October 16 » Indonesian troops kill the Balibo Five, a group of Australian journalists, Portuguese Timor.
October 16 » Three-year-old Rahima Banu, from Bangladesh, is the last known case of naturally occurring smallpox.
When copying data from this family tree, please include a reference to the origin: Dimitri Reinderman, "Family tree Reinderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-reinderman/I23735.php : accessed February 21, 2026), "Diederika Zwaan (1895-1975)".
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.