The temperature on December 17, 1883 was about 1.1 °C. There was 0.1 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 86%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
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 19 » The first electric lighting system employing overhead wires, built by Thomas Edison, begins service at Roselle, New Jersey.
March 20 » The Paris Convention for the Protection of Industrial Property is signed.
May 20 » Krakatoa begins to erupt; the volcano explodes three months later, killing more than 36,000 people.
July 10 » War of the Pacific: Chileans led by Alejandro Gorostiaga defeat Andrés Avelino Cáceres's Peruvuan army at the Battle of Huamachuco, hastening the end of the war.
August 25 » France and Viet Nam sign the Treaty of Huế, recognizing a French protectorate over Annam and Tonkin.
October 20 » Peru and Chile sign the Treaty of Ancón, by which the Tarapacá province is ceded to the latter, bringing an end to Peru's involvement in the War of the Pacific.
Day of marriage April 18, 1917
The temperature on April 18, 1917 was between -1.0 °C and 6.7 °C and averaged 2.4 °C. There was 1.9 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
July 28 » The Silent Parade took place in New York City, in protest to murders, lynchings, and other violence directed towards African Americans.
December 6 » Finland declares independence from Soviet Russia.
Day of death January 9, 1977
The temperature on January 9, 1977 was between 3.6 °C and 5.3 °C and averaged 4.7 °C. There was 5.0 mm of rain during 7.0 hours. The almost completely overcast was. The average windspeed was 3 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.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
When copying data from this family tree, please include a reference to the origin: P.M. Baert, "Family tree Baert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-baert/I5252.php : accessed February 14, 2026), "Petrus dominicus Maertens (1883-1977)".
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