The temperature on September 16, 1911 was between 5.2 °C and 18.6 °C and averaged 11.5 °C. There was 0.1 mm of rain. There was 7.0 hours of sunshine (55%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
April 6 » During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti (Skanderbeg).
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
September 29 » Italy declares war on the Ottoman Empire.
Day of death August 30, 1997
The temperature on August 30, 1997 was between 11.6 °C and 18.6 °C and averaged 15.7 °C. There was 2.8 mm of rain during 6.2 hours. There was 0.2 hours of sunshine (1%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
When copying data from this family tree, please include a reference to the origin: H. Jager, "Family tree Jager", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-jager/I532.php : accessed February 17, 2026), "Christinus Knapper (1911-1997)".
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