The temperature on May 21, 1928 was between 6.6 °C and 15.5 °C and averaged 10.9 °C. There was 3.4 mm of rain. There was 1.2 hours of sunshine (8%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
May 3 » The Jinan incident begins with the deaths of twelve Japanese civilians by Chinese forces in Jinan, China, which leads to Japanese retaliation and the deaths of over 2,000 Chinese civilians in the following days.
June 4 » The President of the Republic of China, Zhang Zuolin, is assassinated by Japanese agents.
June 9 » Charles Kingsford Smith completes the first trans-Pacific flight in a Fokker Trimotor monoplane, the Southern Cross.
June 18 » Aviator Amelia Earhart becomes the first woman to fly in an aircraft across the Atlantic Ocean (she is a passenger; Wilmer Stultz is the pilot and Lou Gordon the mechanic).
October 2 » The "Prelature of the Holy Cross and the Work of God", commonly known as Opus Dei, is founded.
October 28 » The "Indonesia Raya", now the national anthem, is first played during the Second Indonesian Youth Congress.
Day of death May 22, 1967
The temperature on May 22, 1967 was between 8.4 °C and 17.3 °C and averaged 12.8 °C. There was 3.0 mm of rain during 2.6 hours. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 2 » Ronald Reagan, past movie actor and future President of the United States, is sworn in as Governor of California.
January 29 » The "ultimate high" of the hippie era, the Mantra-Rock Dance, takes place in San Francisco and features Janis Joplin, Grateful Dead, and Allen Ginsberg.
March 9 » Trans World Airlines Flight 553 crashes in a field in Concord Township, Ohio following a mid-air collision with a Beechcraft Baron, killing 26 people.
April 28 » Vietnam War: Boxer Muhammad Ali refuses his induction into the United States Army and is subsequently stripped of his championship and license.
May 20 » The Popular Movement of the Revolution political party is established in the Democratic Republic of the Congo.
November 11 » Vietnam War: In a propaganda ceremony in Phnom Penh, Cambodia, three American prisoners of war are released by the Viet Cong and turned over to "new left" antiwar activist Tom Hayden.
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/I219307.php : accessed October 13, 2026), "Klaas Boersma (1928-1967)".
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