The temperature on June 11, 1888 was about 20.4 °C. The air pressure was 5 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 50%. 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.
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
March 11 » The Great Blizzard of 1888 begins along the eastern seaboard of the United States, shutting down commerce and killing more than 400.
May 16 » Nikola Tesla delivers a lecture describing the equipment which will allow efficient generation and use of alternating currents to transmit electric power over long distances.
August 5 » Bertha Benz drives from Mannheim to Pforzheim and back in the first long distance automobile trip, commemorated as the Bertha Benz Memorial Route since 2008.
September 8 » Isaac Peral's submarine is first tested.
September 22 » The first issue of National Geographic Magazine is published.
October 15 » The "From Hell" letter allegedly sent by Jack the Ripper is received by investigators.
Day of marriage May 11, 1912
The temperature on May 11, 1912 was between 7.1 °C and 25.1 °C and averaged 15.6 °C. There was 2.1 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
October 11 » First Balkan War: The day after the Battle of Sarantaporo, Greek troops liberate the city of Kozani.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against the Ottoman Empire.
December 8 » Leaders of the German Empire hold an Imperial War Council to discuss the possibility that war might break out.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of death May 5, 1962
The temperature on May 5, 1962 was between 2.7 °C and 17.1 °C and averaged 11.4 °C. There was 7.5 hours of sunshine (50%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
January 11 » An avalanche on Huascarán in Peru causes around 4,000 deaths.
June 1 » Adolf Eichmann is hanged in Israel.
July 23 » Jackie Robinson becomes the first African American to be inducted into the National Baseball Hall of Fame.
August 7 » Canadian-born American pharmacologist Frances Oldham Kelsey awarded the U.S. President's Award for Distinguished Federal Civilian Service for her refusal to authorize thalidomide.
October 9 » A visible light-emitting diode (LED) is first demonstrated in Syracuse, New York.
October 14 » The Cuban Missile Crisis begins when an American reconnaissance aircraft takes photographs of Soviet ballistic missiles being installed in Cuba.
When copying data from this family tree, please include a reference to the origin: H.L. Witmer, "Family tree Witmer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-witmer/I2741.php : accessed February 16, 2026), "Anna Boonacker (1888-1962)".
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