The temperature on January 18, 1887 was about -5.5 °C. The air pressure was 6 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 85%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
October 1 » Balochistan is conquered by the British Empire.
November 13 » Bloody Sunday clashes in central London.
Day of marriage May 6, 1909
The temperature on May 6, 1909 was between 6.9 °C and 16.1 °C and averaged 12.0 °C. There was 13.2 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
February 12 » New Zealand's worst maritime disaster of the 20th century happens when the SSPenguin, an inter-island ferry, sinks and explodes at the entrance to Wellington Harbour.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 18 » Joan of Arc is beatified in Rome.
June 2 » Alfred Deakin becomes Prime Minister of Australia for the third time.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
Day of death 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
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.
February 24 » Vietnam War: The Tet Offensive is halted; South Vietnam recaptures Hué.
July 1 » The United States Central Intelligence Agency's Phoenix Program is officially established.
August 2 » An earthquake hits Casiguran, Aurora, Philippines killing more than 270 people and wounding 261.
August 22 » Pope Paul VI arrives in Bogotá, Colombia. It is the first visit of a pope to Latin America.
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.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I28551.php : accessed February 15, 2026), "Trijntje Stegenga (1887-1968)".
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