The temperature on December 27, 1884 was about -0.4 °C. The air pressure was 1 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 89%. 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 1 » The first volume (A to Ant) of the Oxford English Dictionary is published.
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 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
Day of death August 10, 1939
The temperature on August 10, 1939 was between 14.2 °C and 22.1 °C and averaged 17.8 °C. There was 1.8 mm of rain during 0.9 hours. There was 2.6 hours of sunshine (17%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
February 27 » United States labor law: The U.S. Supreme Court rules in NLRB v. Fansteel Metallurgical Corp. that the National Labor Relations Board has no authority to force an employer to rehire workers who engage in sit-down strikes.
June 24 » Siam is renamed Thailand by Plaek Phibunsongkhram, the country's third prime minister.
July 28 » The Sutton Hoo helmet is discovered.
August 31 » Nazi Germany mounts a false flag attack on the Gleiwitz radio station, creating an excuse to attack Poland the following day, thus starting World War II in Europe.
September 6 » World War II: South Africa declares war on Nazi Germany.
September 18 » World War II: The Polish government of Ignacy Mościcki flees to Romania.
When copying data from this family tree, please include a reference to the origin: Wander Slomp, "Family tree Slomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-slomp/I522.php : accessed January 12, 2026), "Roelof Slomp (1884-1939)".
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