The temperature on April 30, 1890 was about 9.9 °C. The air pressure was 1 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 71%. Source: KNMI
January 1 » Eritrea is consolidated into a colony by the Italian government.
March 4 » The longest bridge in Great Britain, the Forth Bridge in Scotland, measuring 1,710 feet (520m) long, is opened by the Duke of Rothesay, later King Edward VII.
July 1 » Canada and Bermuda are linked by telegraph cable.
August 6 » At Auburn Prison in New York, murderer William Kemmler becomes the first person to be executed by electric chair.
September 25 » The United States Congress establishes Sequoia National Park.
November 4 » City and South London Railway: London's first deep-level tube railway opens between King William Street and Stockwell.
Day of marriage September 21, 1912
The temperature on September 21, 1912 was between 2.5 °C and 15.1 °C and averaged 9.0 °C. There was 9.5 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
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.
June 8 » Carl Laemmle incorporates Universal Pictures.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of death April 26, 1971
The temperature on April 26, 1971 was between -3.3 °C and 9.4 °C and averaged 4.9 °C. There was 2.0 mm of rain during 3.0 hours. There was 7.2 hours of sunshine (49%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
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/I167110.php : accessed October 14, 2026), "Jan Dam (1890-1971)".
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