The temperature on September 4, 1911 was between 5.1 °C and 22.1 °C and averaged 15.0 °C. There was 9.9 hours of sunshine (74%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
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).
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
Day of death January 20, 2001
The temperature on January 20, 2001 was between -1.0 °C and 1.3 °C and averaged 0.1 °C. There was 1.3 mm of rain during 4.7 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 20 » President of the Philippines Joseph Estrada is ousted in a nonviolent 4-day revolution, and is succeeded by Gloria Macapagal-Arroyo.
January 31 » In the Netherlands, a Scottish court convicts Libyan Abdelbaset al-Megrahi and acquits another Libyan citizen for their part in the bombing of Pan Am Flight 103 over Lockerbie, Scotland in 1988.
May 3 » The United States loses its seat on the U.N. Human Rights Commission for the first time since the commission was formed in 1947.
May 9 » In Ghana, 129 football fans die in what became known as the Accra Sports Stadium disaster. The deaths are caused by a stampede (caused by the firing of tear gas by police personnel at the stadium) that followed a controversial decision by the referee.
October 15 » NASA's Galileo spacecraft passes within 112 miles of Jupiter's moon Io.
December 12 » Prime Minister of Vietnam Phan Văn Khải announces the decision on upgrading the Phong Nha–Kẻ Bàng nature reserve to a national park, providing information on projects for the conservation and development of the park and revised maps.
When copying data from this family tree, please include a reference to the origin: Irene Jolanda van der Meulen, "Family tree Feikje Samplonius", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-samplonius/I9.php : accessed February 2, 2026), "Sipkje van der Werf (1911-2001)".
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