February 11 » Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
March 14 » Pelican Island National Wildlife Refuge, the first national wildlife refuge in the US, is established by President Theodore Roosevelt.
April 19 » The Kishinev pogrom in Kishinev (Bessarabia) begins, forcing tens of thousands of Jews to later seek refuge in Palestine and the Western world.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
December 16 » Taj Mahal Palace & Tower hotel in Bombay first opens its doors to guests.
Day of marriage June 15, 1927
The temperature on June 15, 1927 was between 8.2 °C and 17.5 °C and averaged 13.3 °C. There was 8.3 hours of sunshine (50%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
April 27 » Carabineros de Chile (Chilean national police force and gendarmerie) are created.
May 18 » After being founded for 20 years, the Government of the Republic of China approves Tongji University to be among the first national universities of the Republic of China.
July 24 » The Menin Gate war memorial is unveiled at Ypres.
October 25 » The Italian luxury liner SS Principessa Mafalda sinks off the coast of Brazil, killing 314.
December 8 » The Brookings Institution, one of the United States' oldest think tanks, is founded through the merger of three organizations that had been created by philanthropist Robert S. Brookings.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I33327.php : accessed February 18, 2026), "Maarten Dubbeldam (1903-)".
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.