The temperature on August 16, 1904 was between 9.2 °C and 19.1 °C and averaged 14.8 °C. There was 9.5 hours of sunshine (65%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 8 » Aceh War: Dutch Colonial Army's Marechaussee regiment led by General G.C.E. van Daalen launch military campaign to capture Gayo Highland, Alas Highland, and Batak Highland in Dutch East Indies' Northern Sumatra region, which ends with genocide to Acehnese and Bataks people.
February 9 » Russo-Japanese War: Battle of Port Arthur concludes.
June 16 » Eugen Schauman assassinates Nikolay Bobrikov, Governor-General of Finland.
August 23 » The automobile tire chain is patented.
October 20 » Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.
December 3 » The Jovian moon Himalia is discovered by Charles Dillon Perrine at California's Lick Observatory.
Day of death February 13, 1975
The temperature on February 13, 1975 was between 4.7 °C and 7.3 °C and averaged 6.3 °C. There was 6.9 mm of rain during 4.8 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
May 28 » Fifteen West African countries sign the Treaty of Lagos, creating the Economic Community of West African States.
June 25 » Prime Minister Indira Gandhi declares a state of internal emergency in India.
July 17 » Apollo–Soyuz Test Project: An American Apollo and a Soviet Soyuz spacecraft dock with each other in orbit marking the first such link-up between spacecraft from the two nations.
September 24 » Southwest Face expedition members become the first persons to reach the summit of Mount Everest by any of its faces, instead of using a ridge route.
September 28 » The Spaghetti House siege, in which nine people are taken hostage, takes place in London.
December 26 » Tu-144, the world's first commercial supersonic aircraft, surpassing Mach2, went into service.
When copying data from this family tree, please include a reference to the origin: Wim Ackermans, "Family tree Ackermans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ackermans/I4292.php : accessed January 15, 2026), "Maria Johanna Plankman (1904-1975)".
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