The temperature on June 26, 1886 was about 22.3 °C. The air pressure was 10 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 51%. 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.
June 10 » Mount Tarawera in New Zealand erupts, killing 153 people and burying the famous Pink and White Terraces. Eruptions continue for three months creating a large, 17km long fissure across the mountain peak.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
July 3 » Karl Benz officially unveils the Benz Patent-Motorwagen, the first purpose-built automobile.
July 4 » The Canadian Pacific Railway's first scheduled train from Montreal arrives in Port Moody on the Pacific coast, after six days of travel.
September 4 » American Indian Wars: After almost 30 years of fighting, Apache leader Geronimo, with his remaining warriors, surrenders to General Nelson Miles in Arizona.
November 27 » German judge Emil Hartwich sustains fatal injuries in a duel, which would become the background for Theodor Fontane's Effi Briest.
Day of marriage October 1, 1909
The temperature on October 1, 1909 was between 9.1 °C and 17.5 °C and averaged 12.4 °C. There was 3.2 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 23 » RMSRepublic, a passenger ship of the White Star Line, becomes the first ship to use the CQD distress signal after colliding with another ship, the SS Florida, off the Massachusetts coastline, an event that kills six people. The Republic sinks the next day.
February 23 » The AEA Silver Dart makes the first powered flight in Canada and the British Empire.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
April 18 » Joan of Arc is beatified in Rome.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
December 4 » In Canadian football, the First Grey Cup game is played. The University of Toronto Varsity Blues defeat the Toronto Parkdale Canoe Club, 26–6.
Day of death October 6, 1928
The temperature on October 6, 1928 was between 9.2 °C and 16.8 °C and averaged 12.4 °C. There was 0.2 mm of rain. There was 2.4 hours of sunshine (21%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 14 » The Bremen, a German Junkers W 33 type aircraft, reaches Greenly Island, Canada - the first successful transatlantic aeroplane flight from east to west.
September 27 » The Republic of China is recognized by the United States.
October 2 » The "Prelature of the Holy Cross and the Work of God", commonly known as Opus Dei, is founded.
October 12 » An iron lung respirator is used for the first time at Children's Hospital, Boston.
November 12 » SSVestris sinks approximately 200 miles (320km) off Hampton Roads, Virginia, killing at least 110 passengers, mostly women and children who die after the vessel is abandoned.
November 18 » Release of the animated short Steamboat Willie, the first fully synchronized sound cartoon, directed by Walt Disney and Ub Iwerks, featuring the third appearances of cartoon characters Mickey Mouse and Minnie Mouse. This is considered by the Disney corporation to be Mickey's birthday.
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/I75621.php : accessed October 25, 2026), "Hendrik Helmholt (1886-1928)".
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