The temperature on January 31, 1889 was about 8.5 °C. There was 3 mm of rain. The air pressure was 50 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 94%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
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 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
Day of marriage May 12, 1910
The temperature on May 12, 1910 was between 7.9 °C and 20.6 °C and averaged 14.2 °C. There was 13.0 hours of sunshine (84%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
July 24 » The Ottoman Empire captures the city of Shkodër, putting down the Albanian Revolt of 1910.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
November 20 » Mexican Revolution: Francisco I. Madero issues the Plan de San Luis Potosí, denouncing Mexican President Porfirio Díaz, calling for a revolution to overthrow the government of Mexico, effectively starting the Mexican Revolution.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of death April 19, 1971
The temperature on April 19, 1971 was between 2.2 °C and 14.3 °C and averaged 9.1 °C. There was -0.1 mm of rain. There was 1.9 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
February 21 » The Convention on Psychotropic Substances is signed at Vienna.
July 26 » Apollo program: Launch of Apollo 15 on the first Apollo "J-Mission", and first use of a Lunar Roving Vehicle.
July 30 » An All Nippon Airways Boeing 727 and a Japanese Air Force F-86 collide over Morioka, Iwate, Japan killing 162.
November 10 » In Cambodia, Khmer Rouge forces attack the city of Phnom Penh and its airport, killing 44, wounding at least 30 and damaging nine aircraft.
December 4 » The PNS Ghazi, a submarine belonging to the Pakistan Navy, sinks during the course of the Indo-Pakistani Naval War of 1971.
December 8 » Indo-Pakistani War: The Indian Navy launches an attack on West Pakistan's port city of Karachi.
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/I78884.php : accessed October 20, 2026), "Sytse Lourens (1889-1971)".
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