The temperature on September 20, 1870 was about 18.6 °C. The air pressure was 1 kgf/m2 and came mainly from the northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 62%. Source: KNMI
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).
January 4 » Utah is admitted as the 45th U.S. state.
March 1 » Henri Becquerel discovers radioactive decay.
April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of death April 21, 1944
The temperature on April 21, 1944 was between 5.0 °C and 14.3 °C and averaged 10.3 °C. There was 0.1 mm of rain during 0.1 hours. There was 6.7 hours of sunshine (47%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 15 » World War II: The assault on Monte Cassino, Italy begins.
June 16 » In a gross miscarriage of justice, George Junius Stinney Jr., age 14, becomes the youngest person executed in the United States in the 20th century after being convicted in a two-hour trial for the rape and murder of two teenage white girls.
July 6 » Jackie Robinson refuses to move to the back of a bus, leading to a court-martial.
October 6 » World War II: Units of the 1st Czechoslovak Army Corps enter Czechoslovakia during the Battle of the Dukla Pass.
October 21 » World War II: The city of Aachen falls to American forces after three weeks of fighting, making it the first German city to fall to the Allies.
November 4 » World War II: The 7th Macedonian Liberation Brigade liberates Bitola for the Allies.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I2691.php : accessed December 24, 2025), "Peter Willem Theodor Derkx (1870-1944)".
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