The temperature on May 21, 1884 was about 9.9 °C. The air pressure was 2 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 81%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
February 1 » The first volume (A to Ant) of the Oxford English Dictionary is published.
March 27 » A mob in Cincinnati, Ohio, attacks members of a jury which had returned a verdict of manslaughter in what was seen as a clear case of murder; over the next few days the mob would riot and eventually destroy the courthouse.
May 1 » Moses Fleetwood Walker becomes the first black person to play in a professional baseball game in the United States.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
November 1 » The Gaelic Athletic Association is set up in Hayes's Hotel in Thurles, County Tipperary.
December 10 » Mark Twain's Adventures of Huckleberry Finn is published.
Day of marriage May 7, 1942
The temperature on May 7, 1942 was between 5.5 °C and 18.6 °C and averaged 11.8 °C. There was 11.1 hours of sunshine (73%). The average windspeed was 4 Bft (moderate breeze) 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 9 » Year-round Daylight saving time (aka War Time) is re-instated in the United States as a wartime measure to help conserve energy resources.
February 20 » Lieutenant Edward O'Hare becomes America's first World War II flying ace.
April 26 » Benxihu Colliery accident in Manchukuo leaves 1549 Chinese miners dead.
May 30 » World War II: One thousand British bombers launch a 90-minute attack on Cologne, Germany.
October 1 » World War II: USSGrouper torpedoes Lisbon Maru, not knowing that she is carrying British prisoners of war from Hong Kong.
November 27 » World War II: At Toulon, the French navy scuttles its ships and submarines to keep them out of Nazi hands.
Day of death June 20, 1972
The temperature on June 20, 1972 was between 7.7 °C and 17.7 °C and averaged 13.2 °C. There was 7.2 hours of sunshine (43%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
January 4 » Rose Heilbron becomes the first female judge to sit at the Old Bailey in London, UK.
January 26 » JAT Fight 367 is destroyed by a terrorist bomb, killing 27 of the 28 people on board the DC-9. Flight attendant Vesna Vulović survives with critical injuries.
January 30 » The Troubles: Bloody Sunday: British paratroopers open fire on anti-internment marchers in Derry, Northern Ireland, killing 13 people; another person later dies of injuries sustained.
April 10 » Tombs containing bamboo slips, among them Sun Tzu's Art of War and Sun Bin's lost military treatise, are accidentally discovered by construction workers in Shandong.
June 23 » Watergate scandal: U.S. President Richard M. Nixon and White House Chief of Staff H. R. Haldeman are taped talking about using the Central Intelligence Agency to obstruct the Federal Bureau of Investigation's investigation into the Watergate break-ins.
August 16 » In an unsuccessful coup d'état attempt, the Royal Moroccan Air Force fires upon Hassan II of Morocco's plane while he is traveling back to Rabat.
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/I57306.php : accessed December 27, 2025), "Roelfke van der Zaag (1884-1972)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.