The temperature on November 9, 1914 was between 7.2 °C and 11.8 °C and averaged 9.2 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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.
April 21 » Ypiranga incident: A German arms shipment to Mexico is intercepted by the U.S. Navy near Veracruz.
May 17 » The Protocol of Corfu is signed, recognising full autonomy to Northern Epirus under nominal Albanian sovereignty.
August 9 » Start of the Battle of Mulhouse, part of a French attempt to recover the province of Alsace and the first French offensive of World War I.
August 12 » World War I: The United Kingdom declares war on Austria-Hungary; the countries of the British Empire follow suit.
August 28 » World War I: German troops take the city of Namur in Belgium.
November 23 » Mexican Revolution: The last of U.S. forces withdraw from Veracruz, occupied seven months earlier in response to the Tampico Affair.
Day of marriage June 13, 1940
The temperature on June 13, 1940 was between 12.4 °C and 15.0 °C and averaged 13.6 °C. There was 22.4 mm of rain during 18.8 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
May 5 » World War II: Norwegian refugees form a government-in-exile in London.
May 13 » World War II: Germany's conquest of France begins as the German army crosses the Meuse. Winston Churchill makes his "blood, toil, tears, and sweat" speech to the House of Commons.
June 14 » Seven hundred twenty-eight Polish political prisoners from Tarnów become the first inmates of the Auschwitz concentration camp.
June 17 » World War II: The British Army's 11th Hussars assault and take Fort Capuzzo in Libya, Africa from Italian forces.
July 20 » California opens its first freeway, the Arroyo Seco Parkway.
September 7 » Romania returns Southern Dobruja to Bulgaria under the Treaty of Craiova.
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/I122587.php : accessed October 24, 2026), "Roelof Helmhout (1914-)".
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