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.
January 4 » The Fabian Society is founded in London, United Kingdom.
February 19 » More than sixty tornadoes strike the Southern United States, one of the largest tornado outbreaks in U.S. history.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
October 6 » The Naval War College of the United States is founded in Rhode Island.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
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.
January 24 » World War II: The Allies bombard Bangkok, leading Thailand, then under Japanese control, to declare war against the United States and United Kingdom.
January 26 » World War II: The first United States forces arrive in Europe landing in Northern Ireland.
February 2 » The Osvald Group is responsible for the first, active event of anti-Nazi resistance in Norway, to protest the inauguration of Vidkun Quisling.
February 14 » Battle of Pasir Panjang contributes to the fall of Singapore.
April 23 » World War II: Baedeker Blitz: German bombers hit Exeter, Bath and York in retaliation for the British raid on Lübeck.
July 28 » World War II: Soviet leader Joseph Stalin issues Order No. 227. In response to alarming German advances, all those who retreat or otherwise leave their positions without orders to do so are to be tried in a military court, with punishment ranging from duty in a shtrafbat battalion, imprisonment in a Gulag, or execution.
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 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.
June 9 » Severe rainfall causes a dam in the Black Hills of South Dakota to burst, creating a flood that kills 238 people and causes $160million in damage.
June 30 » The first leap second is added to the UTC time system.
September 5 » Munich massacre: A Palestinian terrorist group called "Black September" attacks and takes hostage 11 Israeli athletes at the Munich Olympic Games. Two die in the attack and nine are murdered the following day.
December 18 » Vietnam War: President Richard Nixon announces that the United States will engage North Vietnam in Operation Linebacker II, a series of Christmas bombings, after peace talks collapsed with North Vietnam on the 13th.
December 26 » Vietnam War: As part of Operation Linebacker II, 120 American B-52 Stratofortress bombers attacked Hanoi, including 78 launched from Andersen Air Force Base in Guam, the largest single combat launch in Strategic Air Command 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/I57306.php : accessed October 6, 2026), "Roelfke van der Zaag (1884-1972)".
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