The temperature on May 3, 1886 was about 9.6 °C. The air pressure was 3 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 55%. 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.
March 1 » The Anglo-Chinese School, Singapore is founded by Bishop William Oldham.
March 29 » John Pemberton brews the first batch of Coca-Cola in a backyard in Atlanta.
May 29 » The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
June 13 » A fire devastates much of Vancouver, British Columbia.
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.
November 30 » The Folies Bergère stages its first revue.
Day of marriage October 29, 1914
The temperature on October 29, 1914 was between 5.7 °C and 9.9 °C and averaged 8.4 °C. There was 3.9 mm of rain. There was 0.3 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
August 5 » World War I: The German minelayer SSKönigin Luise lays a minefield about 40 miles (64km) off the Thames Estuary (Lowestoft). She is intercepted and sunk by the British light-cruiser HMSAmphion.
August 26 » World War I: The German colony of Togoland surrenders to French and British forces after a 20-day campaign.
September 3 » French composer Albéric Magnard is killed defending his estate against invading German soldiers.
September 14 » HMASAE1, the Royal Australian Navy's first submarine, was lost at sea with all hands near East New Britain, Papua New Guinea.
November 15 » Harry Turner becomes the first player to die from game-related injuries in the "Ohio League", the direct predecessor to the National Football League.
December 23 » World War I: Australian and New Zealand troops arrive in Cairo, Egypt.
Day of death January 30, 1951
The temperature on January 30, 1951 was between 0.9 °C and 2.2 °C and averaged 1.7 °C. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
March 7 » Korean War: Operation Ripper: United Nations troops led by General Matthew Ridgway begin an assault against Chinese forces.
March 20 » Fujiyoshida, a city located in Yamanashi Prefecture, Japan, in the center of the Japanese main island of Honshū is founded.
March 29 » Ethel and Julius Rosenberg are convicted of conspiracy to commit espionage.
May 16 » The first regularly scheduled transatlantic flights begin between Idlewild Airport (now John F Kennedy International Airport) in New York City and Heathrow Airport in London, operated by El Al Israel Airlines.
September 28 » CBS makes the first color televisions available for sale to the general public, but the product is discontinued less than a month later.
October 15 » Mexican chemist Luis E. Miramontes completes the synthesis of norethisterone, the basis of an early oral contraceptive.
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/I89026.php : accessed February 12, 2026), "Izaak van Calker (1886-1951)".
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