The temperature on April 25, 1906 was between -3.5 °C and 10.4 °C and averaged 4.1 °C. There was 0.1 mm of rain. There was 10.3 hours of sunshine (71%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
January 22 » SSValencia runs aground on rocks on Vancouver Island, British Columbia, killing more than 130.
February 18 » Édouard de Laveleye forms the Belgian Olympic Committee in Brussels.
March 15 » Rolls-Royce Limited is incorporated.
April 18 » An earthquake and fire destroy much of San Francisco, California.
September 1 » The International Federation of Intellectual Property Attorneys is established.
September 7 » Alberto Santos-Dumont flies his 14-bis aircraft at Bagatelle, France for the first time successfully.
Day of marriage May 15, 1933
The temperature on May 15, 1933 was between 4.8 °C and 12.9 °C and averaged 8.3 °C. There was 0.8 mm of rain during 1.0 hours. There was 5.1 hours of sunshine (33%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
February 27 » Reichstag fire: Germany's parliament building in Berlin, the Reichstag, is set on fire; Marinus van der Lubbe, a young Dutch Communist claims responsibility.
March 4 » The Parliament of Austria is suspended because of a quibble over procedure - Chancellor Engelbert Dollfuss initiates an authoritarian rule by decree.
March 9 » Great Depression: President Franklin D. Roosevelt submits the Emergency Banking Act to Congress, the first of his New Deal policies.
April 3 » First flight over Mount Everest, by the British Houston-Mount Everest Flight Expedition, led by the Marquis of Clydesdale, and funded by Lucy, Lady Houston.
May 2 » Germany's independent labor unions are replaced by the German Labour Front.
October 7 » Air France is inaugurated, after being formed by a merger of five French airlines.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I94079.php : accessed March 11, 2026), "Albertje Siersema (1906-)".
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.