The temperature on August 23, 1875 was about 22.7 °C. The air pressure was 1 kgf/m2 and came mainly from the west. The airpressure was 76 cm mercury. The atmospheric humidity was 55%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
January 5 » The Palais Garnier, one of the most famous opera houses in the world, is inaugurated in Paris.
April 4 » Vltava, composed by Czech composer Bedřich Smetana and also known by its German name Die Moldau, premiered in Prague.
May 1 » Alexandra Palace reopens after being burned down in a fire in 1873.
June 19 » The Herzegovinian rebellion against the Ottoman Empire begins.
October 16 » Brigham Young University is founded in Provo, Utah.
December 4 » Notorious New York City politician Boss Tweed escapes from prison; he is later recaptured in Spain.
Day of marriage May 8, 1911
The temperature on May 8, 1911 was between 5.4 °C and 18.7 °C and averaged 12.8 °C. There was 13.6 hours of sunshine (89%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
January 15 » Palestinian Arabic-language Falastin newspaper founded.
January 26 » Glenn Curtiss flies the first successful American seaplane.
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
Day of death May 27, 1935
The temperature on May 27, 1935 was between 12.2 °C and 22.6 °C and averaged 17.9 °C. There was 0.4 mm of rain during 0.5 hours. There was 6.9 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 12 » USSMacon, one of the two largest helium-filled airships ever created, crashes into the Pacific Ocean off the coast of California and sinks.
February 26 » Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
February 28 » DuPont scientist Wallace Carothers invents nylon.
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
September 15 » Nazi Germany adopts a new national flag bearing the swastika.
December 9 » Student protests in Beiping (now Beijing)'s Tiananmen Square, dispersed by government.
When copying data from this family tree, please include a reference to the origin: G. Mertens, "Family tree Mertens", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-mertens/I31166.php : accessed June 11, 2024), "Petrus Johannes Laenen (1875-1935)".
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