The temperature on September 25, 1913 was between 6.4 °C and 18.8 °C and averaged 12.3 °C. There was 7.1 hours of sunshine (59%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 9 » A group of meteors is visible across much of the eastern seaboard of North and South America, leading astronomers to conclude the source had been a small, short-lived natural satellite of the Earth.
May 30 » The Treaty of London is signed, ending the First Balkan War; Albania becomes an independent nation.
June 1 » The Greek–Serbian Treaty of Alliance is signed, paving the way for the Second Balkan War.
July 3 » Confederate veterans at the Great Reunion of 1913 reenact Pickett's Charge; upon reaching the high-water mark of the Confederacy they are met by the outstretched hands of friendship from Union survivors.
October 14 » Senghenydd colliery disaster, the United Kingdom's worst coal mining accident, claims the lives of 439 miners.
December 24 » The Italian Hall disaster in Calumet, Michigan results in the deaths of 73 Christmas party participants (including 59 children) when someone falsely yells "fire".
Day of marriage May 1, 1937
The temperature on May 1, 1937 was between 7.9 °C and 14.1 °C and averaged 9.8 °C. There was 6.6 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
March 18 » The New London School explosion in New London, Texas, kills 300 people, mostly children.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
July 24 » Alabama drops rape charges against the "Scottsboro Boys".
July 29 » Tōngzhōu Incident: In Tōngzhōu, China, the East Hopei Army attacks Japanese troops and civilians.
September 21 » J. R. R. Tolkien's The Hobbit is published.
September 22 » Spanish Civil War: Peña Blanca is taken, ending the Battle of El Mazuco.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I522792.php : accessed February 2, 2026), "Conraad Nieboer (1913-)".
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