The temperature on January 27, 1889 was about 2.1 °C. There was 1 mm of rain. The air pressure was 8 kgf/m2 and came mainly from the northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 89%. 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.
February 11 » Meiji Constitution of Japan is adopted.
March 31 » The Eiffel Tower is officially opened.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
June 3 » The first long-distance electric power transmission line in the United States is completed, running 14 miles (23km) between a generator at Willamette Falls and downtown Portland, Oregon.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
Day of marriage May 16, 1912
The temperature on May 16, 1912 was between 5.4 °C and 14.1 °C and averaged 10.6 °C. There was 2.8 mm of rain. There was 4.1 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
March 30 » Sultan Abd al-Hafid signs the Treaty of Fez, making Morocco a French protectorate.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
Day of death November 26, 1966
The temperature on November 26, 1966 was between 4.0 °C and 8.5 °C and averaged 6.7 °C. There was 5.7 mm of rain during 6.1 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 17 » Off the coast of Spain in the Mediterranean, the DSVAlvin submarine finds a missing American hydrogen bomb.
May 15 » After a policy dispute, Prime Minister Nguyễn Cao Kỳ of South Vietnam's ruling junta launches a military attack on the forces of General Tôn Thất Đính, forcing him to abandon his command.
May 26 » British Guiana gains independence, becoming Guyana.
October 17 » The 23rd Street Fire in New York City kills 12 firefighters.
November 28 » Michel Micombero overthrows the monarchy of Burundi and makes himself the first president.
December 5 » The musical I Do! I Do!, starring Mary Martin and Robert Preston opens at the 46th Street Theatre, in New York City, and closes on June 15, 1968, after 560 performances.
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/I209554.php : accessed December 25, 2025), "Pieterke Koolma (1889-1966)".
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