The temperature on June 28, 1912 was between 11.2 °C and 24.7 °C and averaged 18.1 °C. There was 11.3 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
January 11 » Immigrant textile workers in Lawrence, Massachusetts, go on strike when wages are reduced in response to a mandated shortening of the work week.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
November 5 » Woodrow Wilson is elected the 28th President of the United States, defeating incumbent William Howard Taft.
November 27 » Spain declares a protectorate over the north shore of Morocco.
December 8 » Leaders of the German Empire hold an Imperial War Council to discuss the possibility that war might break out.
Day of marriage February 27, 1937
The temperature on February 27, 1937 was between 4.7 °C and 10.0 °C and averaged 6.5 °C. There was 7.4 mm of rain during 1.3 hours. There was 1.8 hours of sunshine (17%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
February 19 » Yekatit 12: During a public ceremony at the Viceregal Palace (the former Imperial residence) in Addis Ababa, Ethiopia, two Ethiopian nationalists of Eritrean origin attempt to kill viceroy Rodolfo Graziani with a number of grenades.
April 1 » Aden becomes a British crown colony.
May 30 » Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators.
July 6 » Spanish Civil War: Battle of Brunete: The battle begins with Spanish Republican troops going on the offensive against the Nationalists to relieve pressure on Madrid.
August 13 » Second Sino-Japanese War: The Battle of Shanghai begins.
September 25 » Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan.
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/I75907.php : accessed February 15, 2026), "Hendrik Mulder (1912-)".
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