The temperature on May 1, 1911 was between 2.1 °C and 12.6 °C and averaged 7.7 °C. There was 10.6 hours of sunshine (71%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage June 15, 1939
The temperature on June 15, 1939 was between 8.4 °C and 21.8 °C and averaged 15.9 °C. There was 0.3 mm of rain during 0.2 hours. There was 4.3 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
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.
March 17 » Second Sino-Japanese War: Battle of Nanchang between the Kuomintang and Japan begins.
March 22 » Germany takes Memel from Lithuania.
April 30 » The 1939–40 New York World's Fair opens.
June 12 » Shooting begins on Paramount Pictures' Dr. Cyclops, the first horror film photographed in three-strip Technicolor.
November 4 » World War II: U.S. President Franklin D. Roosevelt orders the United States Customs Service to implement the Neutrality Act of 1939, allowing cash-and-carry purchases of weapons by belligerents.
December 17 » World War II: Battle of the River Plate: The Admiral Graf Spee is scuttled by Captain Hans Langsdorff outside Montevideo.
When copying data from this family tree, please include a reference to the origin: Nico van Gogh, "Family tree Dörr", database, Genealogy Online (https://www.genealogieonline.nl/dorr-stamboom/I498.php : accessed March 10, 2026), "Petrus Coenradus van Gogh (1911-)".
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