The temperature on October 8, 1868 was about 7.2 °C. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 88%. 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).
March 5 » Mefistofele, an opera by Arrigo Boito, receives its premiere performance at La Scala.
April 7 » Thomas D'Arcy McGee, one of the Canadian Fathers of Confederation, is assassinated by a Fenian activist.
June 1 » The Treaty of Bosque Redondo is signed, allowing the Navajo to return to their lands in Arizona and New Mexico.
June 10 » Mihailo Obrenović III, Prince of Serbia is assassinated.
October 10 » The Ten Years' War begins against Spanish rule in Cuba.
December 9 » 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 November 13, 1898
The temperature on November 13, 1898 was about 10.5 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 99%. Source: KNMI
April 25 » Spanish–American War: The United States declares war on Spain.
June 21 » The United States captures Guam from Spain. The few warning shots fired by the U.S. naval vessels are misinterpreted as salutes by the Spanish garrison, which was unaware that the two nations were at war.
August 11 » Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico.
August 13 » Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found.
October 6 » Phi Mu Alpha Sinfonia, the largest American music fraternity, is founded at the New England Conservatory of Music.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of death July 17, 1952
The temperature on July 17, 1952 was between 12.8 °C and 18.2 °C and averaged 15.3 °C. There was 2.2 mm of rain during 0.6 hours. There was 0.1 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 20 » Emmett Ashford becomes the first African-American umpire in organized baseball by being authorized to be a substitute umpire in the Southwestern International League.
June 26 » The Pan-Malayan Labour Party is founded in Malaya, as a union of statewide labour parties.
August 15 » A flash flood drenches the town of Lynmouth, England, killing 34 people.
September 8 » The Canadian Broadcasting Corporation makes its first televised broadcast on the second escape of the Boyd Gang.
September 19 » The United States bars Charlie Chaplin from re-entering the country after a trip to England.
December 5 » Beginning of the Great Smog in London. A cold fog combines with air pollution and brings the city to a standstill for four days. Later, a Ministry of Health report estimates 4,000 fatalities as a result of it.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I16348.php : accessed January 27, 2026), "Agatha Clasina de Graaf (1868-1952)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.