The temperature on November 18, 1927 was between -2.4 °C and 3.0 °C and averaged 0.3 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
April 30 » The Federal Industrial Institute for Women opens in Alderson, West Virginia, as the first women's federal prison in the United States.
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
July 24 » The Menin Gate war memorial is unveiled at Ypres.
November 13 » The Holland Tunnel opens to traffic as the first Hudson River vehicle tunnel linking New Jersey to New York City.
December 8 » The Brookings Institution, one of the United States' oldest think tanks, is founded through the merger of three organizations that had been created by philanthropist Robert S. Brookings.
Day of death April 21, 1929
The temperature on April 21, 1929 was between -1.7 °C and 9.9 °C and averaged 3.7 °C. There was 9.9 hours of sunshine (69%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
January 1 » The former municipalities of Point Grey, British Columbia and South Vancouver, British Columbia are amalgamated into Vancouver.
January 20 » The first full-length talking motion picture filmed outdoors, In Old Arizona, is released.
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.
May 1 » The 7.2 Mw Kopet Dag earthquake shakes the Iran–Turkmenistan border region with a maximum Mercalli intensity of IX (Violent), killing up to 3,800 and injuring 1,121.
September 7 » Steamer Kuru capsizes and sinks on Lake Näsijärvi near Tampere in Finland. One hundred thirty-six lives are lost.
December 27 » Soviet General Secretary Joseph Stalin orders the "liquidation of the kulaks as a class".
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/I457908.php : accessed February 26, 2026), "Pieter Bouwland (1927-1929)".
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