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
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 8 » Montana is admitted as the 41st U.S. state.
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
February 1 » Vietnam War: The execution of Viet Cong officer Nguyễn Văn Lém by South Vietnamese National Police Chief Nguyễn Ngọc Loan is recorded on motion picture film, as well as in an iconic still photograph taken by Eddie Adams.
March 12 » Mauritius achieves independence from the United Kingdom.
March 17 » As a result of nerve gas testing by the U.S. Army Chemical Corps in Skull Valley, Utah, over 6,000 sheep are found dead.
June 5 » Presidential candidate Robert F. Kennedy is assassinated by Sirhan Sirhan.
November 27 » Penny Ann Early became the first woman to play major professional basketball for the Kentucky Colonels in an ABA game against the Los Angeles Stars.
December 16 » Second Vatican Council: Official revocation of the Edict of Expulsion of Jews from Spain.
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
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 February 28, 2026), "Cecilia Johanna Jonker (1889-1968)".
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