The temperature on July 18, 1889 was about 17.0 °C. There was 0.4 mm of rain. The air pressure was 20 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 78%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
March 31 » The Eiffel Tower is officially opened.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
Day of death June 8, 1962
The temperature on June 8, 1962 was between 7.4 °C and 21.2 °C and averaged 15.1 °C. There was 15.6 hours of sunshine (94%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 1 » Western Samoa achieves independence from New Zealand; its name is changed to the Independent State of Western Samoa.
July 11 » First transatlantic satellite television transmission.
July 23 » The International Agreement on the Neutrality of Laos is signed.
August 11 » Vostok 3 launches from the Baikonur Cosmodrome and cosmonaut Andrian Nikolayev becomes the first person to float in microgravity.
August 30 » Japan conducts a test of the NAMC YS-11, its first aircraft since World War II and its only successful commercial aircraft from before or after the war.
August 31 » Trinidad and Tobago becomes independent.
When copying data from this family tree, please include a reference to the origin: Guus Nijhuis, "Descendants Jan Helmig", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-jan-helmig/I6251.php : accessed June 12, 2024), "Martina de Jong (1889-1962)".
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