The temperature on April 21, 1886 was about 6.3 °C. The air pressure was 4 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 89%. 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.
May 1 » Rallies are held throughout the United States demanding the eight-hour work day, culminating in the Haymarket affair in Chicago, in commemoration of which May 1 is celebrated as International Workers' Day in many countries.
May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
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 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
July 3 » The New-York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
August 31 » The 7.0 Mw Charleston earthquake affects southeastern South Carolina with a maximum Mercalli intensity of X (Extreme). Sixty people killed with damage estimated at $5–6 million.
Day of marriage December 3, 1910
The temperature on December 3, 1910 was between 0.9 °C and 3.6 °C and averaged 2.4 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
November 14 » Aviator Eugene Burton Ely performs the first takeoff from a ship in Hampton Roads, Virginia, taking off from a makeshift deck on the USS Birmingham in a Curtiss pusher.
Day of death November 5, 1958
The temperature on November 5, 1958 was between 5.0 °C and 10.0 °C and averaged 7.7 °C. There was 0.3 hours of sunshine (3%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
April 14 » The Soviet satellite Sputnik 2 falls from orbit after a mission duration of 162 days. This was the first spacecraft to carry a living animal, a female dog named Laika, who likely lived only a few hours.
June 17 » The Ironworkers Memorial Second Narrows Crossing, in the process of being built to connect Vancouver and North Vancouver (Canada), collapses into the Burrard Inlet killing 18 ironworkers and injuring others.
August 29 » United States Air Force Academy opens in Colorado Springs, Colorado.
September 1 » Iceland expands its fishing zone, putting it into conflict with the United Kingdom, beginning the Cod Wars.
September 15 » A Central Railroad of New Jersey commuter train runs through an open drawbridge at the Newark Bay, killing 48.
October 1 » The National Advisory Committee for Aeronautics is replaced by NASA.
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/I51314.php : accessed October 16, 2026), "Pieter Helmus (1886-1958)".
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