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 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
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.
February 27 » In Berlin, the Gestapo arrest 1,800 Jewish men with German wives, leading to the Rosenstrasse protest.
September 7 » A fire at the Gulf Hotel in Houston kills 55 people.
September 12 » World War II: Benito Mussolini is rescued from house arrest by German commando forces led by Otto Skorzeny.
October 14 » World War II: The American Eighth Air Force loses 60 of 291 B-17 Flying Fortress during the Second Raid on Schweinfurt.
October 17 » Nazi Holocaust in Poland: Sobibór extermination camp is closed.
December 24 » World War II: U.S. General Dwight D. Eisenhower is named Supreme Allied Commander for the Invasion of Normandy.
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.
March 25 » The first fully functional Space Shuttle orbiter, Columbia, is delivered to the John F. Kennedy Space Center to be prepared for its first launch.
April 4 » Prime Minister Zulfikar Ali Bhutto of Pakistan is executed.
June 1 » The first black-led government of Rhodesia (now Zimbabwe) in 90 years takes power.
August 27 » The Troubles: Eighteen British soldiers are killed in an ambush by the Provisional Irish Republican Army near Warrenpoint, Northern Ireland, in the deadliest attack on British forces during Operation Banner. An IRA bomb also kills British royal family member Lord Mountbatten and three others on his boat at Mullaghmore, Republic of Ireland.
November 19 » Iran hostage crisis: Iranian leader Ayatollah Ruhollah Khomeini orders the release of 13 female and black American hostages being held at the US Embassy in Tehran.
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 23, 2026), "Johannes "John" Merkus (1911-1979)".
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