The temperature on March 27, 1912 was between 8.2 °C and 12.5 °C and averaged 10.2 °C. There was 0.2 mm of rain. There was 3.0 hours of sunshine (24%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
July 8 » Henrique Mitchell de Paiva Couceiro leads an unsuccessful royalist attack against the First Portuguese Republic in Chaves.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
December 3 » Bulgaria, Greece, Montenegro, and Serbia (the Balkan League) sign an armistice with the Ottoman Empire, temporarily halting the First Balkan War. (The armistice will expire on February 3, 1913, and hostilities will resume.)
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of death September 9, 1950
The temperature on September 9, 1950 was between 11.5 °C and 17.2 °C and averaged 14.3 °C. There was 3.9 mm of rain during 6.1 hours. There was 0.6 hours of sunshine (5%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 13 » Finland forms diplomatic relations with the People's Republic of China.
January 31 » Cold War: U.S. President Harry S. Truman announces a program to develop the hydrogen bomb.
March 7 » Cold War: The Soviet Union issues a statement denying that Klaus Fuchs served as a Soviet spy.
May 9 » Robert Schuman presents his proposal on the creation of an organized Europe, which according to him was indispensable to the maintenance of peaceful relations. This proposal, known as the "Schuman Declaration", is considered by some people to be the beginning of the creation of what is now the European Union.
July 4 » Cold War: Radio Free Europe first broadcasts.
October 7 » Mother Teresa establishes the Missionaries of Charity.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I4762.php : accessed February 15, 2026), "Hendrik Warner van Leeuwen (1912-1950)".
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.