The temperature on December 20, 1887 was about 0.9 °C. There was 5 mm of rain. The air pressure was 8 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 94%. 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 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
July 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
November 13 » Bloody Sunday clashes in central London.
Day of marriage August 17, 1908
The temperature on August 17, 1908 was between 11.1 °C and 18.2 °C and averaged 14.8 °C. There was 0.3 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
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.
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
January 13 » The Rhoads Opera House fire in Boyertown, Pennsylvania kills 171 people.
February 1 » Lisbon Regicide: King Carlos I of Portugal and Infante Luis Filipe are shot dead in Lisbon.
April 1 » The Territorial Force (renamed Territorial Army in 1920) is formed as a volunteer reserve component of the British Army.
June 18 » Japanese immigration to Brazil begins when 781 people arrive in Santos aboard the ship Kasato-Maru.
July 23 » The Second Constitution accepted by the Ottomans.
October 1 » Ford Model T automobiles are offered for sale at a price of US$825.
Day of death February 7, 1960
The temperature on February 7, 1960 was between -7.1 °C and 0.9 °C and averaged -3.5 °C. There was 8.3 hours of sunshine (88%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 18 » Capital Airlines Flight 20 crashes into a farm in Charles City County, Virginia, killing all 50 aboard, the third fatal Capital Airlines crash in as many years.
March 22 » Arthur Leonard Schawlow and Charles Hard Townes receive the first patent for a laser.
April 25 » The United States Navy submarine USSTriton completes the first submerged circumnavigation of the globe.
May 16 » Theodore Maiman operates the first optical laser (a ruby laser), at Hughes Research Laboratories in Malibu, California.
July 12 » Orlyonok, the main Young Pioneer camp of the Russian SFSR, is founded.
August 15 » Republic of the Congo (Brazzaville) becomes independent from France.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I25966.php : accessed January 8, 2026), "Helena Verheijen (1887-1960)".
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