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.
April 8 » William Ewart Gladstone introduces the first Irish Home Rule Bill into the British House of Commons.
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.
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.
September 4 » American Indian Wars: After almost 30 years of fighting, Apache leader Geronimo, with his remaining warriors, surrenders to General Nelson Miles in Arizona.
November 30 » The Folies Bergère stages its first revue.
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
April 9 » The first British-built Concorde 002 makes its maiden flight from Filton to RAF Fairford.
May 2 » The British ocean liner Queen Elizabeth 2 departs on her maiden voyage to New York City.
May 15 » People's Park: California Governor Ronald Reagan has an impromptu student park owned by the University of California at Berkeley fenced off from student anti-war protestors, sparking a riot.
August 13 » The Apollo 11 astronauts enjoy a ticker tape parade in New York City. That evening, at a state dinner in Los Angeles, they are awarded the Presidential Medal of Freedom by U.S. President Richard Nixon.
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 29 » The first-ever computer-to-computer link is established on ARPANET, the precursor to the Internet.
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 December 26, 2025), "Johannes de Graaf (1886-1969)".
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