January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
June 20 » Boxer Rebellion: The Imperial Chinese Army begins a 55-day siege of the Legation Quarter in Beijing, China.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
Day of marriage August 7, 1929
The temperature on August 7, 1929 was between 13.6 °C and 21.2 °C and averaged 17.2 °C. There was 6.2 mm of rain. There was 7.5 hours of sunshine (49%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 21 » In the first battle of the Warlord Rebellion in northeastern Shandong against the Nationalist government of China, a 24,000-strong rebel force led by Zhang Zongchang was defeated at Zhifu by 7,000 NRA troops.
February 26 » President Calvin Coolidge signs an executive order establishing the 96,000 acre Grand Teton National Park in Wyoming.
June 8 » Margaret Bondfield is appointed Minister of Labour. She is the first woman appointed to the Cabinet of the United Kingdom.
June 17 » The town of Murchison, New Zealand Is rocked by a 7.8 magnitude earthquake killing 17. At the time it was New Zealand's worst natural disaster.
July 27 » The Geneva Convention of 1929, dealing with treatment of prisoners-of-war, is signed by 53 nations.
October 7 » Photius II becomes Ecumenical Patriarch of Constantinople.
Day of death April 12, 1959
The temperature on April 12, 1959 was between 8.4 °C and 15.3 °C and averaged 11.4 °C. There was 1.4 mm of rain during 2.1 hours. There was 6.1 hours of sunshine (45%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 20 » The Avro Arrow program to design and manufacture supersonic jet fighters in Canada is cancelled by the Diefenbaker government amid much political debate.
March 30 » Tenzin Gyatso, the 14th Dalai Lama, flees Tibet for India.
May 19 » The North Vietnamese Army establishes Group 559, whose responsibility is to determine how to maintain supply lines to South Vietnam; the resulting route is the Ho Chi Minh trail.
September 12 » Bonanza premieres, the first regularly scheduled TV program presented in color.
November 15 » The murders of the Clutter Family in Holcomb, Kansas were discovered, inspiring Truman Capote's non-fiction book In Cold Blood.
November 19 » The Ford Motor Company announces the discontinuation of the unpopular Edsel.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I10137.php : accessed February 21, 2026), "Johanna Wilhelmina Sara Hilvers (1900-1959)".
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