The temperature on December 22, 1911 was between 3.4 °C and 7.1 °C and averaged 5.9 °C. There was 7.1 mm of rain. There was 1.6 hours of sunshine (21%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
September 29 » Italy declares war on the Ottoman Empire.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
Day of marriage June 23, 1934
The temperature on June 23, 1934 was between 10.8 °C and 20.8 °C and averaged 15.1 °C. There was 11.0 hours of sunshine (66%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
February 16 » The Austrian Civil War ends with the defeat of the Social Democrats and the Republikanischer Schutzbund.
February 23 » Leopold III becomes King of Belgium.
May 21 » Oskaloosa, Iowa, becomes the first municipality in the United States to fingerprint all of its citizens.
August 19 » The German referendum of 1934 approves Hitler's appointment as head of state with the title of Führer.
September 1 » The first Metro-Goldwyn-Mayer animated cartoon, The Discontented Canary, is released to movie theatres.
October 9 » An Ustashe assassin kills King Alexander I of Yugoslavia and Louis Barthou, Foreign Minister of France, in Marseille.
Day of death October 17, 2001
The temperature on October 17, 2001 was between 8.9 °C and 19.6 °C and averaged 14.0 °C. There was 7.1 hours of sunshine (67%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
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.
September 20 » In an address to a joint session of Congress and the American people, U.S. President George W. Bush declares a "War on Terror".
October 19 » SIEV X, an Indonesian fishing boat en route to Christmas Island, carrying over 400 migrants, sinks in international waters with the loss of 353 people.
November 12 » War in Afghanistan: Taliban forces abandon Kabul, ahead of advancing Afghan Northern Alliance troops.
November 14 » A magnitude 7.8 earthquake strikes a remote part of the Tibetan plateau. It had the longest known surface rupture recorded on land (~400km) and is the best documented example of a supershear earthquake.
December 15 » The Leaning Tower of Pisa reopens after 11 years and $27,000,000 spent to stabilize it, without fixing its famous lean.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I12971.php : accessed February 2, 2026), "Janna Schonewille (1911-2001)".
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