The temperature on May 7, 1889 was about 19.3 °C. There was 0.3 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
Day of marriage May 24, 1913
The temperature on May 24, 1913 was between 9.5 °C and 17.4 °C and averaged 13.7 °C. There was 0.2 mm of rain. There was 0.2 hours of sunshine (1%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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.
January 5 » First Balkan War: The Battle of Lemnos begins; Greek admiral Pavlos Kountouriotis forces the Turkish fleet to retreat to its base within the Dardanelles, from which it did not venture for the rest of the war.
March 4 » The United States Department of Labor is formed.
June 1 » The Greek–Serbian Treaty of Alliance is signed, paving the way for the Second Balkan War.
June 23 » Second Balkan War: The Greeks defeat the Bulgarians in the Battle of Doiran.
June 25 » American Civil War veterans begin arriving at the Great Reunion of 1913.
August 13 » First production in the UK of stainless steel by Harry Brearley.
When copying data from this family tree, please include a reference to the origin: Nicky Mathiesen, "Family tree Mathiesen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-mathiesen/I701.php : accessed January 6, 2026), "Pieter Walsma (1889-????)".
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