The temperature on April 2, 1886 was about 11.4 °C. The air pressure was 8 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 47%. 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 29 » The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
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 13 » A fire devastates much of Vancouver, British Columbia.
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.
Day of death June 25, 1969
The temperature on June 25, 1969 was between 13.0 °C and 17.9 °C and averaged 14.4 °C. There was 0.6 mm of rain during 1.4 hours. There was -0.1 hours of sunshine (0%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 12 » The New York Jets of the American Football League defeat the Baltimore Colts of the National Football League to win Super Bowl III in what is considered to be one of the greatest upsets in sports history.
January 14 » USS Enterprise fire: An accidental explosion aboard the USSEnterprise near Hawaii kills 28 people.
January 30 » The Beatles' last public performance, on the roof of Apple Records in London. The impromptu concert is broken up by the police.
August 14 » The Troubles: British troops are deployed in Northern Ireland as political and sectarian violence breaks out, marking the start of the 37-year Operation Banner.
October 21 » The 1969 Somali coup d'état establishes a Marxist–Leninist administration.
November 19 » Association football player Pelé scores his 1,000th goal.
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/I77346.php : accessed February 9, 2026), "Johannes de Graaf (1886-1969)".
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