The temperature on March 19, 1885 was about 4.7 °C. The air pressure was 4 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 70%. 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.
January 26 » Troops loyal to The Mahdi conquer Khartoum, killing the Governor-General Charles George Gordon.
February 21 » The newly completed Washington Monument is dedicated.
March 30 » The Battle for Kushka triggers the Panjdeh Incident which nearly gives rise to war between the Russian and British Empire.
August 14 » Japan's first patent is issued to the inventor of a rust-proof paint.
October 13 » The Georgia Institute of Technology is founded in Atlanta, Georgia.
November 28 » Bulgarian victory in the Serbo-Bulgarian War preserves the Unification of Bulgaria.
Day of marriage March 13, 1909
The temperature on March 13, 1909 was between -2.8 °C and 3.8 °C and averaged -0.1 °C. There was 1.4 mm of rain. There was 4.3 hours of sunshine (37%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 15 » The Flores Theater fire in Acapulco, Mexico kills 250.
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
March 23 » Theodore Roosevelt leaves New York for a post-presidency safari in Africa. The trip is sponsored by the Smithsonian Institution and National Geographic Society.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
May 31 » The National Negro Committee, forerunner to the National Association for the Advancement of Colored People (NAACP), convenes for the first time.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
Day of death November 13, 1951
The temperature on November 13, 1951 was between 7.6 °C and 10.8 °C and averaged 8.8 °C. There was 5.9 mm of rain during 9.7 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
February 6 » The Broker, a Pennsylvania Railroad passenger train derails near Woodbridge Township, New Jersey. The accident kills 85 people and injures over 500 more. The wreck is one of the worst rail disasters in American history.
March 7 » Korean War: Operation Ripper: United Nations troops led by General Matthew Ridgway begin an assault against Chinese forces.
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.
October 15 » Mexican chemist Luis E. Miramontes completes the synthesis of norethisterone, the basis of an early oral contraceptive.
December 22 » The Selangor Labour Party is founded in Selangor, Malaya.
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/I59154.php : accessed October 15, 2026), "Jan Gerben Keizer (1885-1951)".
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.