The temperature on September 4, 1912 was between 11.0 °C and 18.8 °C and averaged 13.8 °C. There was 6.3 mm of rain. There was 1.9 hours of sunshine (14%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
January 23 » The International Opium Convention is signed at The Hague.
April 2 » The ill-fated RMSTitanic begins sea trials.
November 19 » First Balkan War: The Serbian Army captures Bitola, ending the five-century-long Ottoman rule of Macedonia.
November 27 » Spain declares a protectorate over the north shore of Morocco.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of marriage June 9, 1939
The temperature on June 9, 1939 was between 7.4 °C and 18.5 °C and averaged 12.7 °C. There was 4.4 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 3 » In Bombay, Mohandas Gandhi begins a hunger strike in protest at the autocratic rule in British India.
March 30 » The Heinkel He 100 fighter sets a world airspeed record of 463mph (745km/h).
June 1 » First flight of the German Focke-Wulf Fw 190 fighter aircraft.
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 2 » New York City's LaGuardia Airport opens.
December 18 » World War II: The Battle of the Heligoland Bight, the first major air battle of the war, takes place.
When copying data from this family tree, please include a reference to the origin: Lucas A. Ocken, "Family tree Ocken", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ocken/I25317.php : accessed January 17, 2026), "Swaantina Martha Cleveringa (1912-)".
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