The temperature on July 23, 1886 was about 20.9 °C. The air pressure was 10 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. 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.
January 18 » Modern field hockey is born with the formation of The Hockey Association in England.
May 5 » The Bay View massacre: A militia fires into a crowd of protesters in Milwaukee, killing seven.
May 8 » Pharmacist John Pemberton first sells a carbonated beverage named "Coca-Cola" as a patent medicine.
May 29 » The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
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 May 2, 1913
The temperature on May 2, 1913 was between 6.9 °C and 13.5 °C and averaged 9.6 °C. There was 2.7 mm of rain. There was 3.8 hours of sunshine (25%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
February 20 » King O'Malley drives in the first survey peg to mark commencement of work on the construction of Canberra.
May 29 » Igor Stravinsky's ballet score The Rite of Spring receives its premiere performance in Paris, France, provoking a riot.
June 19 » Natives Land Act, 1913 in South Africa implemented.
July 12 » Serbian forces begin their siege of the Bulgarian city of Vidin; the siege is later called off when the war ends.
August 16 » Completion of the Royal Navy battlecruiser HMSQueen Mary.
November 9 » The Great Lakes Storm of 1913, the most destructive natural disaster ever to hit the lakes, reaches its greatest intensity after beginning two days earlier. The storm destroys 19 ships and kills more than 250 people.
Day of death November 13, 1971
The temperature on November 13, 1971 was between 1.1 °C and 8.0 °C and averaged 5.4 °C. There was 0.9 mm of rain during 2.3 hours. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
March 12 » The 1971 Turkish military memorandum is sent to the Süleyman Demirel government of Turkey and the government resigns.
April 17 » The Provisional Government of Bangladesh is formed.
October 1 » Walt Disney World opens near Orlando, Florida.
November 15 » Intel releases the world's first commercial single-chip microprocessor, the 4004.
November 30 » Iran seizes the Greater and Lesser Tunbs from the Emirates of Sharjah and Ras Al Khaimah.
December 14 » Bangladesh Liberation War: Over 200 of East Pakistan's intellectuals are executed by the Pakistan Army and their local allies. (The date is commemorated in Bangladesh as Martyred Intellectuals Day.)
When copying data from this family tree, please include a reference to the origin: Alfred Groot, "Family tree Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groot/I468.php : accessed February 15, 2026), "Dirk Wijma (1886-1971)".
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