The temperature on October 5, 1911 was between 7.1 °C and 11.9 °C and averaged 9.8 °C. There was 1.2 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of marriage April 16, 1947
The temperature on April 16, 1947 was between 8.0 °C and 16.5 °C and averaged 11.0 °C. There was 4.1 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 10 » The Paris Peace Treaties are signed by Italy, Romania, Hungary, Bulgaria, Finland and the Allies of World War II.
March 8 » Thirteen thousand troops of the Republic of China Army arrive in Taiwan after the February 28 Incident and launch crackdowns which kill thousands of people, including many elites. This turns into a major root of the Taiwan independence movement.
June 24 » Kenneth Arnold makes the first widely reported UFO sighting near Mount Rainier, Washington, leading to the coining of the phrase "flying saucer".
October 22 » The Kashmir conflict between India and Pakistan begins, having started just after the partition of India.
October 30 » The General Agreement on Tariffs and Trade (GATT), the foundation of the World Trade Organization (WTO), is founded.
November 18 » The Ballantyne's Department Store fire in Christchurch, New Zealand, kills 41; it is the worst fire disaster in the history of New Zealand.
Day of death September 7, 1971
The temperature on September 7, 1971 was between 8.3 °C and 22.5 °C and averaged 15.6 °C. There was 12.2 hours of sunshine (92%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
January 2 » The second Ibrox disaster kills 66 fans at a Rangers-Celtic association football (soccer) match.
February 20 » The United States Emergency Broadcast System is accidentally activated in an erroneous national alert.
May 30 » Mariner program: Mariner 9 is launched to map 70% of the surface, and to study temporal changes in the atmosphere and surface, of Mars.
August 15 » Bahrain gains independence from the United Kingdom.
September 29 » Oman joins the Arab League.
November 23 » Representatives of the People's Republic of China attend the United Nations, including the United Nations Security Council, for the first time.
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/I116006.php : accessed October 20, 2026), "Ymkje Boersma (1911-1971)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.