The temperature on April 5, 1913 was between 5.8 °C and 16.6 °C and averaged 10.3 °C. There was 8.1 hours of sunshine (61%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the northeast. 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.
February 21 » Ioannina is incorporated into the Greek state after the Balkan Wars.
June 19 » Natives Land Act, 1913 in South Africa implemented.
July 4 » President Woodrow Wilson addresses American Civil War veterans at the Great Reunion of 1913.
July 12 » Serbian forces begin their siege of the Bulgarian city of Vidin; the siege is later called off when the war ends.
August 16 » Tōhoku Imperial University of Japan (modern day Tohoku University) becomes the first university in Japan to admit female students.
October 14 » Senghenydd colliery disaster, the United Kingdom's worst coal mining accident, claims the lives of 439 miners.
Day of marriage December 20, 1934
The temperature on December 20, 1934 was between 7.4 °C and 9.2 °C and averaged 8.0 °C. There was 4.3 mm of rain during 3.8 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 1 » A "Law for the Prevention of Genetically Diseased Offspring" comes into effect in Nazi Germany.
January 15 » The 8.0 Mw Nepal–Bihar earthquake strikes Nepal and Bihar with a maximum Mercalli intensity of XI (Extreme), killing an estimated 6,000–10,700 people.
March 24 » United States Congress passes the Tydings-McDuffie Act, allowing the Philippines to become a self-governing commonwealth.
May 19 » Zveno and the Bulgarian Army engineer a coup d'état and install Kimon Georgiev as the new Prime Minister of Bulgaria.
May 28 » Near Callander, Ontario, Canada, the Dionne quintuplets are born to Oliva and Elzire Dionne; they will be the first quintuplets to survive infancy.
July 11 » Engelbert Zaschka of Germany flies his large human-powered aircraft, the Zaschka Human-Power Aircraft, about 20 meters at Berlin Tempelhof Airport without assisted take-off.
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/I130339.php : accessed October 13, 2026), "Jan Hiemstra (1913-)".
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