The temperature on September 18, 1885 was about 13.7 °C. There was 0.2 mm of rain. The air pressure was 3 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 86%. 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 4 » Sino-French War: French troops under General Oscar de Négrier defeat a numerically superior Qing force at Núi Bop in northern Vietnam.
July 1 » The United States terminates reciprocity and fishery agreement with Canada.
July 20 » The Football Association legalizes professionalism in association football under pressure from the British Football Association.
October 13 » The Georgia Institute of Technology is founded in Atlanta, Georgia.
November 17 » Serbo-Bulgarian War: The decisive Battle of Slivnitsa begins.
December 28 » Indian National Congress, a political party of India, is founded in Bombay Presidency, British India.
Day of death June 19, 1960
The temperature on June 19, 1960 was between 11.2 °C and 19.9 °C and averaged 16.1 °C. There was 9.7 hours of sunshine (58%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 19 » Japan and the United States sign the US–Japan Mutual Security Treaty
May 1 » Formation of the western Indian states of Gujarat and Maharashtra; also known as "Maharashtra Day".
May 16 » Theodore Maiman operates the first optical laser (a ruby laser), at Hughes Research Laboratories in Malibu, California.
September 5 » Muhammad Ali (then known as Cassius Clay) wins the gold medal in the light heavyweight boxing competition at the Olympic Games in Rome.
November 8 » John F. Kennedy is elected as the 35th President of the United States.
December 16 » A United Airlines Douglas DC-8 and a TWA Lockheed Super Constellation collide over Staten Island, New York and crash, killing all 128 people aboard both aircraft and six more on the ground.
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/I126207.php : accessed February 15, 2026), "Jan van der Zwaag (1885-1960)".
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