March 14 » Pelican Island National Wildlife Refuge, the first national wildlife refuge in the US, is established by President Theodore Roosevelt.
May 29 » In the May Coup, Alexander I, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
July 20 » The Ford Motor Company ships its first automobile.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
Day of marriage May 31, 1934
The temperature on May 31, 1934 was between 7.0 °C and 24.9 °C and averaged 16.7 °C. There was 12.3 hours of sunshine (75%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
January 26 » German–Polish Non-Aggression Pact is signed.
February 16 » The Austrian Civil War ends with the defeat of the Social Democrats and the Republikanischer Schutzbund.
October 22 » In East Liverpool, Ohio, FBI agents shoot and kill notorious bank robber Pretty Boy Floyd.
December 11 » Bill Wilson, co-founder of Alcoholics Anonymous, takes his last drink and enters treatment for the final time.
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/I80037.php : accessed October 12, 2026), "Tjeerd Spijkstra (1903-)".
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