The temperature on April 21, 1904 was between 6.0 °C and 16.9 °C and averaged 11.8 °C. There was 7.2 hours of sunshine (51%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
February 9 » Russo-Japanese War: Battle of Port Arthur concludes.
February 17 » Madama Butterfly receives its première at La Scala in Milan.
August 23 » The automobile tire chain is patented.
December 6 » Theodore Roosevelt articulated his "Corollary" to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.
Day of death February 20, 1930
The temperature on February 20, 1930 was between -2.9 °C and 8.0 °C and averaged 1.3 °C. There was 4.1 hours of sunshine (40%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
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 30 » The Politburo of the Soviet Union orders the extermination of the Kulaks.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
May 24 » Amy Johnson lands in Darwin, Northern Territory, becoming the first woman to fly solo from England to Australia (she left on May 5 for the 11,000 mile flight).
June 16 » Sovnarkom establishes decree time in the USSR.
November 11 » Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
December 29 » Sir Muhammad Iqbal's presidential address in Allahabad introduces the two-nation theory and outlines a vision for the creation of Pakistan.
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/I114740.php : accessed October 17, 2026), "Ritske Tuinstra (1904-1930)".
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