January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
April 6 » Oscar Wilde is arrested in the Cadogan Hotel, London, after losing a libel case against the Marquess of Queensberry.
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.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
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 » 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 December 24, 1927
The temperature on December 24, 1927 was between 1.2 °C and 5.3 °C and averaged 3.4 °C. There was 1.8 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 11 » Louis B. Mayer, head of film studio Metro-Goldwyn-Mayer (MGM), announces the creation of the Academy of Motion Picture Arts and Sciences, at a banquet in Los Angeles, California.
January 27 » Ibn Saud takes the title of King of Nejd.
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
May 20 » Treaty of Jeddah: The United Kingdom recognizes the sovereignty of King Ibn Saud in the Kingdoms of Hejaz and Nejd, which later merge to become the Kingdom of Saudi Arabia.
July 15 » Massacre of July 15, 1927: Eighty-nine protesters are killed by the Austrian police in Vienna.
October 6 » Opening of The Jazz Singer, the first prominent "talkie" movie.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I10080.php : accessed February 27, 2026), "Geert Dop (1895-????)".
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.