The temperature on July 5, 1889 was about 23.2 °C. The air pressure was 16 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 55%. Source: KNMI
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
March 31 » The Eiffel Tower is officially opened.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
November 8 » Montana is admitted as the 41st U.S. state.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
Day of death March 13, 1956
The temperature on March 13, 1956 was between -4.0 °C and 4.4 °C and averaged -0.2 °C. There was 9.4 hours of sunshine (81%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 3 » A fire damages the top part of the Eiffel Tower.
March 1 » Formation of the East German Nationale Volksarmee.
April 5 » Cuban Revolution: Fidel Castro declares himself at war with Cuban President Fulgencio Batista.
June 11 » Start of Gal Oya riots, the first reported ethnic riots that target minority Sri Lankan Tamils in the Eastern Province. The total number of deaths is reportedly 150.
June 28 » in Poznań, workers from HCP factory go to the streets, sparking one of the first major protests against communist government both in Poland and Europe.
October 30 » Hungarian Revolution: The government recognizes the new workers' councils. Army officer Béla Király leads an attack on the Communist Party headquarters.
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/I78423.php : accessed February 22, 2026), "Willem Poelstra (1889-1956)".
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