The temperature on January 18, 1889 was about 3.1 °C. The air pressure was 16 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 94%. Source: KNMI
February 11 » Meiji Constitution of Japan is adopted.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
Day of death June 15, 1968
The temperature on June 15, 1968 was between 13.2 °C and 24.4 °C and averaged 19.0 °C. There was 11.3 hours of sunshine (68%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
March 21 » Battle of Karameh in Jordan between the Israel Defense Forces and the combined forces of the Jordanian Armed Forces and PLO.
June 9 » U.S. President Lyndon B. Johnson declares a national day of mourning following the assassination of Senator Robert F. Kennedy.
July 20 » The first International Special Olympics Summer Games are held at Soldier Field in Chicago, with about 1,000 athletes with intellectual disabilities.
September 6 » Swaziland becomes independent.
November 11 » Vietnam War: Operation Commando Hunt initiated. The goal is to interdict men and supplies on the Ho Chi Minh trail, through Laos into South Vietnam.
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.
Day of burial June 19, 1968
The temperature on June 19, 1968 was between 12.0 °C and 24.3 °C and averaged 18.2 °C. There was 2.6 mm of rain during 1.1 hours. There was 7.0 hours of sunshine (42%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
August 22 » Pope Paul VI arrives in Bogotá, Colombia. It is the first visit of a pope to Latin America.
September 13 » Cold War: Albania leaves the Warsaw Pact.
October 16 » Yasunari Kawabata becomes the first Japanese person to be awarded the Nobel Prize in Literature.
November 17 » British European Airways introduces the BAC One-Eleven into commercial service.
December 21 » Apollo program: Apollo 8 is launched from the Kennedy Space Center, placing its crew on a lunar trajectory for the first visit to another celestial body by humans.
December 31 » The first flight of the Tupolev Tu-144, the first civilian supersonic transport in the world.
When copying data from this family tree, please include a reference to the origin: Johan Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker-stamboom/I93.php : accessed January 14, 2026), "Cecilia Johanna Jonker (1889-1968)".
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