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
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
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.
January 22 » World War II: Australian and American forces defeat Japanese army and navy units in the bitterly fought Battle of Buna–Gona.
March 6 » Norman Rockwell published Freedom from Want in The Saturday Evening Post with a matching essay by Carlos Bulosan as part of the Four Freedoms series.
May 11 » World War II: American troops invade Attu Island in the Aleutian Islands in an attempt to expel occupying Japanese forces.
June 20 » The Detroit race riot breaks out and continues for three more days.
July 11 » World War II: Allied invasion of Sicily: German and Italian troops launch a counter-attack on Allied forces in Sicily.
July 25 » World War II: Benito Mussolini is forced out of office by the Grand Council of Fascism and is replaced by Pietro Badoglio.
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.
February 11 » The Iranian Revolution establishes an Islamic theocracy under the leadership of Ayatollah Ruhollah Khomeini.
April 4 » Prime Minister Zulfikar Ali Bhutto of Pakistan is executed.
April 6 » Student protests break out in Nepal.
May 25 » American Airlines Flight 191: A McDonnell Douglas DC-10 crashes during takeoff at O'Hare International Airport, Chicago, killing all 271 on board and two people on the ground.
July 17 » Nicaraguan dictator General Anastasio Somoza Debayle resigns and flees to Miami, Florida, United States.
October 27 » Saint Vincent and the Grenadines gains its independence from the United Kingdom.
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 17, 2026), "Johannes "John" Merkus (1911-1979)".
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