The temperature on December 18, 1912 was between 0.3 °C and 5.0 °C and averaged 3.5 °C. There was 9.9 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
January 23 » The International Opium Convention is signed at The Hague.
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
October 11 » First Balkan War: The day after the Battle of Sarantaporo, Greek troops liberate the city of Kozani.
October 14 » Former president Theodore Roosevelt is shot and mildly wounded by John Flammang Schrank. With the fresh wound in his chest, and the bullet still within it, Roosevelt delivers his scheduled speech.
November 2 » Bulgaria defeats the Ottoman Empire in the Battle of Lule Burgas, the bloodiest battle of the First Balkan War, which opens her way to Constantinople.
Day of marriage March 20, 1936
The temperature on March 20, 1936 was between 3.0 °C and 17.6 °C and averaged 10.2 °C. There was 8.2 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
February 26 » In the February 26 Incident, young Japanese military officers attempt to stage a coup against the government.
July 17 » Spanish Civil War: An Armed Forces rebellion against the recently elected leftist Popular Front government of Spain starts the civil war.
August 4 » Prime Minister of Greece Ioannis Metaxas suspends parliament and the Constitution and establishes the 4th of August Regime.
August 14 » Rainey Bethea is hanged in Owensboro, Kentucky in the last known public execution in the United States.
September 9 » The crews of Portuguese Navy frigate NRPAfonso de Albuquerque and destroyer Dão mutinied against the Salazar dictatorship's support of General Franco's coup and declared their solidarity with the Spanish Republic.
December 30 » The United Auto Workers union stages its first sitdown strike.
Day of death March 19, 1999
The temperature on March 19, 1999 was between 2.5 °C and 10.5 °C and averaged 6.1 °C. There was 0.6 mm of rain during 0.3 hours. There was 0.4 hours of sunshine (3%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 1 » Euro currency is introduced in 11 member nations of the European Union (with the exception of the United Kingdom, Denmark, Greece and Sweden; Greece later adopts the euro).
February 24 » China Southwest Airlines Flight 4509, a Tupolev Tu-154 aircraft, crashes on approach to Wenzhou Longwan International Airport in Wenzhou, Zhejiang, China. All 61 people on board are killed.
March 20 » Legoland California, the first Legoland outside of Europe, opens in Carlsbad, California, US.
April 14 » NATO mistakenly bombs a convoy of ethnic Albanian refugees. Yugoslav officials say 75 people were killed.
October 22 » Maurice Papon, an official in the Vichy France government during World War II, is jailed for crimes against humanity.
November 18 » At Texas A&M University, the Aggie Bonfire collapses killing 12 students and injuring 27 others.
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/I142219.php : accessed December 31, 2025), "Klaas Helbig (1912-1999)".
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