January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
February 6 » The Permanent Court of Arbitration, an international arbitration court at The Hague, is created when the Senate of the Netherlands ratifies an 1899 peace conference decree.
March 13 » British forces occupy Bloemfontein, Orange Free State, during the Second Boer War.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
July 9 » The Federation of Australia is given royal assent.
November 7 » The People's Party is founded in Cuba.
Day of marriage May 5, 1934
The temperature on May 5, 1934 was between 8.0 °C and 17.0 °C and averaged 12.5 °C. There was 1.0 mm of rain during 2.1 hours. There was 8.6 hours of sunshine (57%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 1 » A "Law for the Prevention of Genetically Diseased Offspring" comes into effect in Nazi Germany.
February 16 » The Austrian Civil War ends with the defeat of the Social Democrats and the Republikanischer Schutzbund.
April 21 » The "Surgeon's Photograph", the most famous photo allegedly showing the Loch Ness Monster, is published in the Daily Mail (in 1999, it is revealed to be a hoax).
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.
July 20 » West Coast waterfront strike: In Seattle, police fire tear gas on and club 2,000 striking longshoremen. The governor of Oregon calls out the National Guard to break a strike on the Portland docks.
September 18 » The Soviet Union is admitted to the League of Nations.
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/I133682.php : accessed October 24, 2026), "Jan van Os (1900-)".
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