The temperature on April 15, 1887 was about 8.3 °C. The air pressure was 22 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 51%. 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 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
November 13 » Bloody Sunday clashes in central London.
Day of marriage October 20, 1909
The temperature on October 20, 1909 was between 9.8 °C and 15.6 °C and averaged 12.5 °C. There was 1.6 hours of sunshine (15%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
June 2 » Alfred Deakin becomes Prime Minister of Australia for the third time.
August 24 » Workers start pouring concrete for the Panama Canal.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
Day of death September 12, 1960
The temperature on September 12, 1960 was between 11.8 °C and 24.1 °C and averaged 17.1 °C. There was 10.6 hours of sunshine (82%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
May 9 » The Food and Drug Administration announces it will approve birth control as an additional indication for Searle's Enovid, making Enovid the world's first approved oral contraceptive pill.
May 16 » Theodore Maiman operates the first optical laser (a ruby laser), at Hughes Research Laboratories in Malibu, California.
July 11 » France legislates for the independence of Dahomey (later Benin), Upper Volta (later Burkina) and Niger.
November 1 » While campaigning for President of the United States, John F. Kennedy announces his idea of the Peace Corps.
December 13 » While Emperor Haile Selassie of Ethiopia visits Brazil, his Imperial Bodyguard seizes the capital and proclaims him deposed and his son, Crown Prince Asfa Wossen, Emperor.
December 14 » Convention against Discrimination in Education of UNESCO is adopted.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I320064.php : accessed February 17, 2026), "Maria Francisca Catharina Donkers (1887-1960)".
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.