The temperature on August 10, 1880 was about 22.5 °C. The air pressure was 1 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 55%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
February 13 » Thomas Edison observes Thermionic emission.
May 11 » Seven people are killed in the Mussel Slough Tragedy, a gun battle in California.
June 7 » War of the Pacific: The Battle of Arica, the assault and capture of Morro de Arica (Arica Cape), ends the Campaña del Desierto (Desert Campaign).
July 27 » Second Anglo-Afghan War: Battle of Maiwand: Afghan forces led by Mohammad Ayub Khan defeat the British Army in battle near Maiwand, Afghanistan.
November 11 » Australian bushranger Ned Kelly is hanged at Melbourne Gaol.
December 16 » Outbreak of the First Boer War between the Boer South African Republic and the British Empire.
Day of marriage December 13, 1900
The temperature on December 13, 1900 was about 6.4 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 98%. Source: KNMI
February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
May 23 » American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
August 14 » The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China.
Day of death November 6, 1958
The temperature on November 6, 1958 was between 5.1 °C and 10.8 °C and averaged 7.6 °C. There was 1.8 hours of sunshine (19%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 31 » Cold War: Space Race: The first successful American satellite detects the Van Allen radiation belt.
March 3 » Nuri al-Said becomes Prime Minister of Iraq for the eighth time.
April 26 » Final run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City after 68years, the first U.S. passenger train to use electric locomotives.
May 30 » Memorial Day: The remains of two unidentified American servicemen, killed in action during World War II and the Korean War respectively, are buried at the Tomb of the Unknown Soldier in Arlington National Cemetery.
November 28 » Chad, the Republic of the Congo, and Gabon become autonomous republics within the French Community.
December 30 » The Guatemalan Air Force sinks several Mexican fishing boats alleged to have breached maritime borders, killing three and sparking international tension.
When copying data from this family tree, please include a reference to the origin: H. Grevinga, "Family tree Grevinga", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grevinga/I1714.php : accessed February 16, 2026), "janna koers (1880-1958)".
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.