The temperature on November 15, 1912 was between 4.3 °C and 10.8 °C and averaged 6.9 °C. There was 0.2 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 23 » The International Opium Convention is signed at The Hague.
October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
November 5 » Woodrow Wilson is elected the 28th President of the United States, defeating incumbent William Howard Taft.
November 12 » The frozen bodies of Robert Scott and his men are found on the Ross Ice Shelf in Antarctica.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of marriage December 29, 1934
The temperature on December 29, 1934 was between 6.1 °C and 9.9 °C and averaged 7.9 °C. There was 1.5 mm of rain during 2.3 hours. There was 1.1 hours of sunshine (14%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
May 23 » The Auto-Lite strike culminates in the "Battle of Toledo", a five-day melée between 1,300 troops of the Ohio National Guard and 6,000 picketers.
July 25 » The Nazis assassinate Austrian Chancellor Engelbert Dollfuss in a failed coup attempt.
August 2 » Gleichschaltung: Adolf Hitler becomes Führer of Germany following the death of President Paul von Hindenburg.
September 8 » Off the New Jersey coast, a fire aboard the passenger liner SSMorro Castle kills 137 people.
December 1 » In the Soviet Union, Politburo member Sergey Kirov is assassinated. Stalin uses the incident as a pretext to initiate the Great Purge.
December 11 » Bill Wilson, co-founder of Alcoholics Anonymous, takes his last drink and enters treatment for the final time.
Day of death May 4, 1971
The temperature on May 4, 1971 was between 2.3 °C and 18.5 °C and averaged 12.2 °C. There was 8.5 hours of sunshine (56%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
January 22 » The Singapore Declaration, one of the two most important documents to the uncodified constitution of the Commonwealth of Nations, is issued.
February 8 » South Vietnamese ground troops launch an incursion into Laos to try to cut off the Ho Chi Minh trail and stop communist infiltration.
March 7 » Sheikh Mujibur Rahman, political leader of then East Pakistan (present day-Bangladesh), delivers his historic 7th March speech in the Racecourse Field (Now Suhrawardy Udyan) in Dhaka.
June 7 » The Alcohol, Tobacco, and Firearms Division of the U.S. Internal Revenue Service raids the home of Ken Ballew for illegal possession of hand grenades.
June 30 » The crew of the Soviet Soyuz 11 spacecraft are killed when their air supply escapes through a faulty valve.
December 8 » Indo-Pakistani War: The Indian Navy launches an attack on West Pakistan's port city of Karachi.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I153174.php : accessed February 16, 2026), "Jan Hartman (1912-1971)".
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