The temperature on April 20, 1911 was between 3.9 °C and 15.2 °C and averaged 9.6 °C. There was 11.7 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
April 6 » During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti (Skanderbeg).
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
November 1 » World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.
Day of marriage May 18, 1943
The temperature on May 18, 1943 was between 6.4 °C and 18.5 °C and averaged 12.6 °C. There was 14.3 hours of sunshine (90%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
May 14 » World War II: A Japanese submarine sinks AHSCentaur off the coast of Queensland.
May 30 » The Holocaust: Josef Mengele becomes chief medical officer of the Zigeunerfamilienlager (Romani family camp) at Auschwitz concentration camp.
June 1 » BOAC Flight 777 is shot down over the Bay of Biscay by German Junkers Ju 88s, killing British actor Leslie Howard and leading to speculation that it was actually an attempt to kill British Prime Minister Winston Churchill.
July 22 » World War II: Axis occupation forces violently disperse a massive protest in Athens, killing 22.
August 17 » World War II: The U.S. Seventh Army under General George S. Patton arrives in Messina, Italy, followed several hours later by the British 8th Army under Field Marshal Bernard Montgomery, thus completing the Allied conquest of Sicily.
November 18 » World War II: Battle of Berlin: Four hundred and forty Royal Air Force planes bomb Berlin causing only light damage and killing 131. The RAF loses nine aircraft and 53 air crew.
Day of death December 29, 1997
The temperature on December 29, 1997 was between 3.4 °C and 7.8 °C and averaged 5.6 °C. There was 1.6 mm of rain during 1.6 hours. There was 5.0 hours of sunshine (64%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
March 18 » The tail of a Russian Antonov An-24 charter plane breaks off while en route to Turkey causing the plane to crash and killing all 50 people on board.
April 1 » Comet Hale–Bopp is seen passing at perihelion.
August 6 » Korean Air Flight 801 crashed at Nimitz Hill, Guam killing 229 of 254 people on board.
August 7 » Space Shuttle Program: The Space Shuttle Discovery launches on STS-85 from the Kennedy Space Center in Cape Canaveral, Florida.
November 3 » The United States imposes economic sanctions against Sudan in response to its human rights abuses of its own citizens and its material and political assistance to Islamic extremist groups across the Middle East and Eastern Africa.
December 24 » The Sid El-Antri massacre in Algeria kills between 50 and 100 people.
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/I118940.php : accessed October 8, 2026), "Sietze Baron (1911-1997)".
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