The temperature on June 19, 1888 was about 11.2 °C. The air pressure was 3 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. 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.
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.
June 5 » The Rio de la Plata earthquake takes place.
August 14 » An audio recording of English composer Arthur Sullivan's "The Lost Chord", one of the first recordings of music ever made, is played during a press conference introducing Thomas Edison's phonograph in London, England.
September 8 » Isaac Peral's submarine is first tested.
October 21 » Foundation of the Swiss Social Democratic Party.
December 22 » The Christmas Meeting of 1888, considered to be the official start of the Faroese independence movement.
Day of marriage May 18, 1912
The temperature on May 18, 1912 was between 4.5 °C and 16.8 °C and averaged 11.3 °C. There was 7.0 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 6 » Italo-Turkish War: Italian forces become the first to use airships in war, as two dirigibles drop bombs on Turkish troops encamped at Janzur, from an altitude of 6,000 feet.
April 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
September 4 » Albanian rebels succeed in their revolt when the Ottoman Empire agrees to fulfill their demands
October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
November 2 » Bulgaria defeats the Ottoman Empire in the Battle of Lule Burgas, the bloodiest battle of the First Balkan War, which opens her way to Constantinople.
Day of death November 2, 1959
The temperature on November 2, 1959 was between 1.0 °C and 11.2 °C and averaged 5.6 °C. There was 0.1 mm of rain. There was 4.7 hours of sunshine (49%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I72187.php : accessed May 3, 2025), "Harm Boltjes (1888-1959)".
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