The temperature on August 29, 1912 was between 9.7 °C and 19.7 °C and averaged 15.1 °C. There was 6.9 mm of rain. There was 3.2 hours of sunshine (23%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
March 30 » Sultan Abd al-Hafid signs the Treaty of Fez, making Morocco a French protectorate.
Day of marriage January 25, 1936
The temperature on January 25, 1936 was between 2.3 °C and 7.7 °C and averaged 5.2 °C. There was 3.3 mm of rain during 3.2 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
June 26 » Initial flight of the Focke-Wulf Fw 61, the first practical helicopter.
July 17 » Spanish Civil War: An Armed Forces rebellion against the recently elected leftist Popular Front government of Spain starts the civil war.
July 18 » On the Spanish mainland, a faction of the army supported by fascists, rises up against the Second Spanish Republic in a coup d'état starting the 3-year-long Civil War, resulting in the longest dictatorship in modern European history.
July 19 » Spanish Civil War: The CNT and UGT call a general strike in Spain - mobilizing workers' militias against the Nationalist forces.
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.
November 12 » In California, the San Francisco–Oakland Bay Bridge opens to traffic.
Day of death December 9, 1971
The temperature on December 9, 1971 was between 2.1 °C and 9.2 °C and averaged 5.9 °C. There was 2.2 mm of rain during 7.5 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
May 26 » Bangladesh Liberation War: The Pakistan Army slaughters at least 71 Hindus in Burunga, Sylhet, Bangladesh.
July 12 » The Australian Aboriginal Flag is flown for the first time.
August 21 » A bomb exploded in the Liberal Party campaign rally in Plaza Miranda, Manila, Philippines with several anti-Marcos political candidates injured.
September 15 » The first Greenpeace ship sets sail to protest against nuclear testing on Amchitka Island.
September 20 » Having weakened after making landfall in Nicaragua the previous day, Hurricane Irene regains enough strength to be renamed Hurricane Olivia, making it the first known hurricane to cross from the Atlantic Ocean into the Pacific.
October 29 » In Macon, Georgia, guitarist Duane Allman is killed in a motorcycle accident.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I518923.php : accessed February 19, 2026), "Christiaan Lourens Dreyer (1912-1971)".
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