The temperature on May 9, 1863 was about 21.0 °C. The air pressure was 2 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 22%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
April 17 » American Civil War: Grierson's Raid begins: Troops under Union Army Colonel Benjamin Grierson attack central Mississippi.
April 30 » A 65-man French Foreign Legion infantry patrol fights a force of nearly 2,000 Mexican soldiers to nearly the last man in Hacienda Camarón, Mexico.
June 9 » American Civil War: Battle of Brandy Station, Virginia.
July 1 » Keti Koti (Emancipation Day) in Suriname, marking the abolition of slavery by the Netherlands.
August 21 » Lawrence, Kansas is destroyed by pro-Confederate guerrillas known as Quantrill's Raiders.
November 16 » American Civil War: Battle of Campbell's Station near Knoxville, Tennessee: Confederate troops unsuccessfully attack Union forces.
Day of marriage August 11, 1897
The temperature on August 11, 1897 was about 22.8 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 82%. Source: KNMI
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
Day of death June 14, 1935
The temperature on June 14, 1935 was between 11.5 °C and 22.1 °C and averaged 16.4 °C. There was 8.4 mm of rain during 1.9 hours. There was 3.5 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I125965.php : accessed February 15, 2026), "Johannes van Helden (1863-1935)".
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