The temperature on February 28, 1886 was about -7.6 °C. The air pressure was 2 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 79%. 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 18 » Modern field hockey is born with the formation of The Hockey Association in England.
February 23 » Charles Martin Hall produced the first samples of aluminium from the electrolysis of aluminium oxide, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
May 8 » Pharmacist John Pemberton first sells a carbonated beverage named "Coca-Cola" as a patent medicine.
June 10 » Mount Tarawera in New Zealand erupts, killing 153 people and burying the famous Pink and White Terraces. Eruptions continue for three months creating a large, 17km long fissure across the mountain peak.
October 28 » President Cleveland dedicates the Statue of Liberty.
Day of marriage January 30, 1908
The temperature on January 30, 1908 was between -0.8 °C and 3.9 °C and averaged 1.6 °C. There was 0.6 mm of rain. There was 0.4 hours of sunshine (4%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
January 11 » Grand Canyon National Monument is created.
April 14 » Hauser Dam, a steel dam on the Missouri River in Montana, U.S., fails, sending a surge of water 25 to 30 feet (7.6 to 9.1m) high downstream.
April 16 » Natural Bridges National Monument is established in Utah.
June 27 » A group of Vietnamese tirailleurs conducts a failed attempt to poison the entire French army's garrison in the Hanoi Citadel with the aim to make way for Hoàng Hoa Thám's rebel army to capture Hanoi.
September 17 » The Wright Flyer flown by Orville Wright, with Lieutenant Thomas Selfridge as passenger, crashes, killing Selfridge, who becomes the first airplane fatality.
October 1 » Ford Model T automobiles are offered for sale at a price of US$825.
Day of death July 16, 1935
The temperature on July 16, 1935 was between 10.4 °C and 23.9 °C and averaged 17.6 °C. There was 3.5 hours of sunshine (22%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I1623.php : accessed February 18, 2026), "Aaltje van der Leek (1886-1935)".
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