The temperature on July 9, 1890 was about 15.0 °C. There was 3 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. Source: KNMI
April 7 » Completion of the first Lake Biwa Canal.
July 1 » Canada and Bermuda are linked by telegraph cable.
September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
September 25 » The United States Congress establishes Sequoia National Park.
October 11 » In Washington, D.C., the Daughters of the American Revolution is founded.
November 4 » City and South London Railway: London's first deep-level tube railway opens between King William Street and Stockwell.
Day of death June 14, 1960
The temperature on June 14, 1960 was between 8.5 °C and 16.8 °C and averaged 12.1 °C. There was 6.0 mm of rain during 2.4 hours. There was 5.0 hours of sunshine (30%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 16 » The U.S. Navy submarine USSTriton begins Operation Sandblast, setting sail from New London, Connecticut, to begin the first submerged circumnavigation of the globe.
February 19 » China successfully launches the T-7, its first sounding rocket.
May 23 » A tsunami caused by an earthquake in Chile the previous day kills 61 people in Hilo, Hawaii.
July 8 » Francis Gary Powers is charged with espionage resulting from his flight over the Soviet Union.
August 1 » Dahomey (later renamed Benin) declares independence from France.
December 17 » Munich C-131 crash: Twenty passengers and crew on board as well as 32 people on the ground are killed.
When copying data from this family tree, please include a reference to the origin: Leen Schaap, "Database Schaap", database, Genealogy Online (https://www.genealogieonline.nl/database-schaap/I3900.php : accessed December 29, 2025), "Heeren Hendrik Iken (1863-1960)".
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