The temperature on June 1, 1888 was about 12.8 °C. The air pressure was 14 kgf/m2 and came mainly from the west. The airpressure was 77 cm mercury. The atmospheric humidity was 70%. 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.
January 13 » The National Geographic Society is founded in Washington, D.C.
April 3 » The first of eleven unsolved brutal murders of women committed in or near the impoverished Whitechapel district in the East End of London, occurs.
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.
August 21 » The first successful adding machine in the United States is patented by William Seward Burroughs.
October 29 » The Convention of Constantinople is signed, guaranteeing free maritime passage through the Suez Canal during war and peace.
Day of marriage April 11, 1912
The temperature on April 11, 1912 was between 0.1 °C and 9.1 °C and averaged 3.4 °C. There was 1.3 mm of rain. There was 7.8 hours of sunshine (57%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
January 23 » The International Opium Convention is signed at The Hague.
April 15 » The British passenger liner RMSTitanic sinks in the North Atlantic at 2:20a.m., two hours and forty minutes after hitting an iceberg. Only 710 of 2,227 passengers and crew on board survive.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
September 28 » The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
When copying data from this family tree, please include a reference to the origin: Johan Arie Eykelhoff, "Family tree Eykelhoff, Eijkelhoff", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eykelhoff-eijkelhoff/I53.php : accessed February 28, 2026), "Aris Gijsbertus Mohr (1888-1981)".
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