January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
May 29 » In the May Coup, Alexander I, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
June 16 » The Ford Motor Company is incorporated.
July 1 » Start of first Tour de France bicycle race.
July 4 » The Philippine–American War is officially concluded.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
Day of marriage September 15, 1928
The temperature on September 15, 1928 was between 7.3 °C and 20.2 °C and averaged 14.0 °C. There was 3.9 hours of sunshine (31%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 7 » A disastrous flood of the River Thames kills 14 people and causes extensive damage to much of riverside London.
January 31 » Leon Trotsky is exiled to Alma-Ata.
July 7 » Sliced bread is sold for the first time (on the inventor's 48th birthday) by the Chillicothe Baking Company of Chillicothe, Missouri.
September 1 » Ahmet Zogu declares Albania to be a monarchy and proclaims himself king.
September 18 » Juan de la Cierva makes the first autogyro crossing of the English Channel.
October 1 » The Soviet Union introduces its first five-year plan.
Day of death October 14, 1944
The temperature on October 14, 1944 was between 7.6 °C and 14.9 °C and averaged 11.0 °C. There was 1.5 mm of rain during 1.0 hours. There was 5.1 hours of sunshine (47%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. 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.
June 7 » World War II: The steamer Danae, carrying 350 Cretan Jews and 250 Cretan partisans, is sunk without survivors off the shore of Santorini.
August 6 » The Warsaw Uprising occurs on August 1. It is brutally suppressed and all able-bodied men in Kraków are detained afterwards to prevent a similar uprising, the Kraków Uprising, that was planned but never carried out.
August 7 » IBM dedicates the first program-controlled calculator, the Automatic Sequence Controlled Calculator (known best as the Harvard Mark I).
August 21 » Dumbarton Oaks Conference, prelude to the United Nations, begins.
September 18 » World War II: The British submarine HMSTradewind torpedoes Jun'yō Maru, killing 5,600, mostly slave labourers and POWs.
October 21 » World War II: The first kamikaze attack damages HMASAustralia as the Battle of Leyte Gulf begins.
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/I84946.php : accessed October 4, 2026), "Jan Hindrik Mulder (1903-1944)".
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