The temperature on June 29, 1868 was about 14.2 °C. The air pressure was 3 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 70%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
April 7 » Thomas D'Arcy McGee, one of the Canadian Fathers of Confederation, is assassinated by a Fenian activist.
May 16 » The United States Senate fails to convict President Andrew Johnson by one vote.
August 18 » French astronomer Pierre Janssen discovers helium.
September 19 » La Gloriosa begins in Spain.
September 23 » Grito de Lares ("Lares Revolt") occurs in Puerto Rico against Spanish rule.
December 10 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
Day of marriage March 28, 1905
The temperature on March 28, 1905 was between 4.1 °C and 11.8 °C and averaged 8.0 °C. There was 8.1 hours of sunshine (64%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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.
February 5 » In Mexico, the General Hospital of Mexico is inaugurated, started with four basic specialties.
April 30 » Albert Einstein completes his doctoral thesis at the University of Zurich.
May 5 » The trial in the Stratton Brothers case begins in London, England; it marks the first time that fingerprint evidence is used to gain a conviction for murder.
November 18 » Prince Carl of Denmark becomes King Haakon VII of Norway.
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 death November 10, 1951
The temperature on November 10, 1951 was between 7.8 °C and 12.4 °C and averaged 11.2 °C. There was 0.7 mm of rain during 0.6 hours. There was 3.2 hours of sunshine (35%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
March 6 » Cold War: The trial of Ethel and Julius Rosenberg begins.
April 17 » The Peak District becomes the United Kingdom's first National Park.
May 14 » Trains run on the Talyllyn Railway in Wales for the first time since preservation, making it the first railway in the world to be operated by volunteers.
May 16 » The first regularly scheduled transatlantic flights begin between Idlewild Airport (now John F Kennedy International Airport) in New York City and Heathrow Airport in London, operated by El Al Israel Airlines.
July 16 » King Leopold III of Belgium abdicates in favor of his son, Baudouin I of Belgium.
September 28 » CBS makes the first color televisions available for sale to the general public, but the product is discontinued less than a month later.
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/I208502.php : accessed October 24, 2026), "Roelf Staal (1868-1951)".
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