The temperature on December 11, 1968 was between -8.0 °C and -2.6 °C and averaged -5.7 °C. There was 0.1 mm of rain. There was 5.3 hours of sunshine (68%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
March 16 » Vietnam War: My Lai Massacre occurs; between 347 and 500 Vietnamese villagers (men, women, and children) are killed by American troops.
April 8 » BOAC Flight 712 catches fire shortly after takeoff. As a result of her actions in the accident, Barbara Jane Harrison is awarded a posthumous George Cross, the only GC awarded to a woman in peacetime.
October 16 » Kingston, Jamaica is rocked by the Rodney riots, inspired by the barring of Walter Rodney from the country.
November 8 » The Vienna Convention on Road Traffic is signed to facilitate international road traffic and to increase road safety by standardising the uniform traffic rules among the signatories.
December 13 » Brazilian President Artur da Costa e Silva issues AI-5 (Institutional Act No. 5), enabling government by decree and suspending habeas corpus.
December 25 » Kilvenmani massacre: Forty-four Dalits (untouchables) are burnt to death in Kizhavenmani village, Tamil Nadu, a retaliation for a campaign for higher wages by Dalit laborers.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I57748.php : accessed January 19, 2026), "Jakob de Boer (1925-1968)".
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