The temperature on March 9, 1904 was between 4.1 °C and 13.1 °C and averaged 8.4 °C. There was 3.4 hours of sunshine (30%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
February 8 » Battle of Port Arthur: A surprise torpedo attack by the Japanese at Port Arthur, China starts the Russo-Japanese War.
August 10 » Russo-Japanese War: The Battle of the Yellow Sea between the Russian and Japanese battleship fleets takes place.
August 23 » The automobile tire chain is patented.
October 20 » Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.
December 6 » Theodore Roosevelt articulated his "Corollary" to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.
Day of death August 12, 1945
The temperature on August 12, 1945 was between 11.2 °C and 21.9 °C and averaged 16.6 °C. There was 0.1 mm of rain. There was 5.0 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
January 27 » World War II: The Soviet 322nd Rifle Division liberates the remaining inmates of Auschwitz-Birkenau.
February 4 » World War II: The British Indian Army and Imperial Japanese Army begin a series of battles known as the Battle of Pokoku and Irrawaddy River operations.
February 13 » World War II: The siege of Budapest concludes with the unconditional surrender of German and Hungarian forces to the Red Army.
March 31 » World War II: A defecting German pilot delivers a Messerschmitt Me 262A-1, the world's first operational jet-powered fighter aircraft, to the Americans, the first to fall into Allied hands.
April 12 » World War II: The U.S. Ninth Army under General William H. Simpson crosses the Elbe River astride Magdeburg, and reached Tangermünde—only 50 miles from Berlin.
April 15 » Bergen-Belsen concentration camp is liberated.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I144346.php : accessed December 29, 2025), "Jacob Kempenaar (1904-1945)".
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.