The temperature on October 30, 1911 was between 2.8 °C and 11.9 °C and averaged 8.6 °C. There was 7.4 mm of rain. The average windspeed was 6 Bft (strong wind) and was prevailing from the south. Source: KNMI
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
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).
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage April 29, 1943
The temperature on April 29, 1943 was between 0.2 °C and 13.9 °C and averaged 8.1 °C. There was 11.9 hours of sunshine (81%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-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.
April 8 » Otto and Elise Hampel are executed in Berlin for their anti-Nazi activities.
May 16 » The Holocaust: The Warsaw Ghetto Uprising ends.
June 20 » World War II: The Royal Air Force launches Operation Bellicose, the first shuttle bombing raid of the war. Lancaster bombers damage the V-2 rocket production facilities at the Zeppelin Works while en route to an air base in Algeria.
October 16 » Holocaust in Italy: Raid of the Ghetto of Rome.
October 31 » World War II: An F4U Corsair accomplishes the first successful radar-guided interception by a United States Navy or Marine Corps aircraft.
November 16 » World War II: American bombers strike a hydro-electric power facility and heavy water factory in German-controlled Vemork, Norway.
Day of death February 7, 1979
The temperature on February 7, 1979 was between -1.7 °C and 1.2 °C and averaged -0.1 °C. There was 4.0 mm of rain during 7.7 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 1 » Normal diplomatic relations are established between the People's Republic of China and the United States.
April 1 » Iran becomes an Islamic republic by a 99% vote, officially overthrowing the Shah.
April 6 » Student protests break out in Nepal.
April 10 » Red River Valley tornado outbreak: A tornado lands in Wichita Falls, Texas killing 42 people.
June 1 » The first black-led government of Rhodesia (now Zimbabwe) in 90 years takes power.
November 10 » A 106-car Canadian Pacific freight train carrying explosive and poisonous chemicals from Windsor, Ontario, Canada derails in Mississauga, Ontario, just west of Toronto, causing a massive explosion and the largest peacetime evacuation in Canadian history and one of the largest in North American history.
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/I119157.php : accessed October 19, 2026), "Johannes "John" Merkus (1911-1979)".
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