March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
July 29 » The First Hague Convention is signed.
December 2 » Philippine–American War: The Battle of Tirad Pass, termed "The Filipino Thermopylae", is fought.
Day of marriage March 30, 1939
The temperature on March 30, 1939 was between -1.3 °C and 11.8 °C and averaged 5.5 °C. There was 0.1 mm of rain. There was 7.2 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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 15 » Carpatho-Ukraine declares itself an independent republic, but is annexed by Hungary the next day.
June 12 » Shooting begins on Paramount Pictures' Dr. Cyclops, the first horror film photographed in three-strip Technicolor.
June 24 » Siam is renamed Thailand by Plaek Phibunsongkhram, the country's third prime minister.
August 15 » Twenty-six Junkers Ju 87 bombers commanded by Walter Sigel meet unexpected ground fog during a dive-bombing demonstration for Luftwaffe generals at Neuhammer. Thirteen of them crash and burn.
October 16 » World War II: No. 603 Squadron RAF intercepts the first Luftwaffe raid on Britain.
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: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I122472.php : accessed October 19, 2026), "Liebbe de Vries (1899-????)".
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