The temperature on February 1, 1875 was about 6.7 °C. The air pressure was 5 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 77%. 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 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
March 14 » Pelican Island National Wildlife Refuge, the first national wildlife refuge in the US, is established by President Theodore Roosevelt.
April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
November 18 » The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone.
December 16 » Taj Mahal Palace & Tower hotel in Bombay first opens its doors to guests.
Day of death March 16, 1953
The temperature on March 16, 1953 was between -1.1 °C and 13.7 °C and averaged 5.4 °C. There was 8.7 hours of sunshine (73%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
March 1 » Soviet Premier Joseph Stalin suffers a stroke and collapses; he dies four days later.
April 13 » CIA director Allen Dulles launches the mind-control program Project MKUltra.
April 25 » Francis Crick and James Watson publish "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" describing the double helix structure of DNA.
May 18 » Jackie Cochran becomes the first woman to break the sound barrier.
May 29 » Edmund Hillary and Sherpa Tenzing Norgay become the first people to reach the summit of Mount Everest, on Tenzing Norgay's (adopted) 39th birthday.
June 18 » A United States Air Force C-124 crashes and burns near Tachikawa, Japan, killing 129.
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I18993.php : accessed February 3, 2026), "Petrus Ludovicus de Roover (1875-1953)".
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.