The temperature on April 15, 1905 was between 6.7 °C and 13.7 °C and averaged 10.3 °C. There was 1.1 hours of sunshine (8%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
January 26 » The world's largest diamond ever, the Cullinan weighing 3,106.75 carats (0.621350kg), is found at the Premier Mine near Pretoria in South Africa.
May 15 » Las Vegas is founded when 110 acres (0.45km), in what later would become downtown, are auctioned off.
May 28 » Russo-Japanese War: The Battle of Tsushima ends with the destruction of the Russian Baltic Fleet by Admiral Tōgō Heihachirō and the Imperial Japanese Navy.
September 1 » Alberta and Saskatchewan join the Canadian confederation.
September 8 » The 7.2 Mw Calabria earthquake shakes southern Italy with a maximum Mercalli intensity of XI (Extreme), killing between 557 and 2,500 people.
November 21 » Albert Einstein's paper that leads to the mass–energy equivalence formula, E=mc², is published in the journal Annalen der Physik.
Day of marriage May 4, 1934
The temperature on May 4, 1934 was between 8.0 °C and 17.2 °C and averaged 12.6 °C. There was 4.3 mm of rain during 3.9 hours. There was 2.2 hours of sunshine (15%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 1 » Alcatraz Island in San Francisco Bay becomes a United States federal prison.
February 6 » Far-right leagues rally in front of the Palais Bourbon in an attempted coup against the French Third Republic, creating a political crisis in France.
April 21 » The "Surgeon's Photograph", the most famous photo allegedly showing the Loch Ness Monster, is published in the Daily Mail (in 1999, it is revealed to be a hoax).
June 15 » The United States Great Smoky Mountains National Park is founded.
June 26 » United States President Franklin D. Roosevelt signs the Federal Credit Union Act, which establishes credit unions.
June 30 » The Night of the Long Knives, Adolf Hitler's violent purge of his political rivals in Germany, takes place.
Day of death August 6, 1961
The temperature on August 6, 1961 was between 12.8 °C and 20.4 °C and averaged 16.5 °C. There was 4.9 hours of sunshine (32%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
February 13 » An allegedly 500,000-year-old rock is discovered near Olancha, California, US, that appears to anachronistically encase a spark plug.
February 15 » Sabena Flight 548 crashes in Belgium, killing 73, including the entire United States figure skating team along with several of their coaches and family members.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
April 17 » Bay of Pigs Invasion: A group of Cuban exiles financed and trained by the CIA lands at the Bay of Pigs in Cuba with the aim of ousting Fidel Castro.
September 16 » Pakistan establishes its Space and Upper Atmosphere Research Commission with Abdus Salam as its head.
September 16 » Typhoon Nancy, with possibly the strongest winds ever measured in a tropical cyclone, makes landfall in Osaka, Japan, killing 173 people.
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/I153.php : accessed January 9, 2026), "Klaas Slomp (1905-1961)".
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