January 31 » Czechoslav Trade Union Association is founded in Prague.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage March 16, 1922
The temperature on March 16, 1922 was between 2.7 °C and 7.2 °C and averaged 4.7 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 6 » The Washington Naval Treaty is signed in Washington, D.C., limiting the naval armaments of United States, Britain, Japan, France, and Italy.
April 7 » The United States Secretary of the Interior leases federal petroleum reserves to private oil companies on excessively generous terms.
June 29 » France grants 1km at Vimy Ridge "freely, and for all time, to the Government of Canada, the free use of the land exempt from all taxes".
August 2 » A typhoon hits Shantou, Republic of China, killing more than 50,000 people.
August 30 » Battle of Dumlupınar: The final battle in the Greco-Turkish War ("Turkish War of Independence").
September 11 » The Treaty of Kars is ratified in Yerevan, Armenia.
Day of death April 23, 1965
The temperature on April 23, 1965 was between 5.8 °C and 14.1 °C and averaged 9.2 °C. There was 0.5 mm of rain during 1.2 hours. There was 2.1 hours of sunshine (15%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
February 19 » Colonel Phạm Ngọc Thảo of the Army of the Republic of Vietnam, and a communist spy of the North Vietnamese Viet Minh, along with Generals Lâm Văn Phát and Trần Thiện Khiêm, all Catholics, attempt a coup against the military junta of the Buddhist Nguyễn Khánh.
February 20 » Ranger 8 crashes into the Moon after a successful mission of photographing possible landing sites for the Apollo program astronauts.
March 19 » The wreck of the SSGeorgiana, valued at over $50,000,000 and said to have been the most powerful Confederate cruiser, is discovered by teenage diver and pioneer underwater archaeologist E. Lee Spence, exactly 102 years after its destruction.
August 4 » The Constitution of the Cook Islands comes into force, giving the Cook Islands self-governing status within New Zealand.
August 15 » The Beatles play to nearly 60,000 fans at Shea Stadium in New York City, an event later regarded as the birth of stadium rock.
September 30 » The Lockheed L-100, the civilian version of the C-130 Hercules, is introduced.
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/I85794.php : accessed October 18, 2026), "Margje Helfferich (1897-1965)".
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