The temperature on June 12, 1911 was between 1.8 °C and 17.8 °C and averaged 11.5 °C. There was 10.7 hours of sunshine (64%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
October 13 » Prince Arthur, Duke of Connaught and Strathearn, becomes the first Governor General of Canada of royal descent.
November 1 » World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
Day of marriage May 20, 1937
The temperature on May 20, 1937 was between 12.2 °C and 22.5 °C and averaged 17.1 °C. There was 9.6 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 19 » Howard Hughes sets a new air record by flying from Los Angeles to New York City in 7 hours, 28 minutes, 25 seconds.
February 21 » The League of Nations bans foreign national "volunteers" in the Spanish Civil War.
May 27 » In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
August 1 » Josip Broz Tito reads the resolution "Manifesto of constitutional congress of KPH" to the constitutive congress of KPH (Croatian Communist Party) in woods near Samobor.
September 10 » Nine nations attend the Nyon Conference to address international piracy in the Mediterranean Sea.
Day of death November 23, 2002
The temperature on November 23, 2002 was between 3.9 °C and 10.4 °C and averaged 7.1 °C. There was 3.3 mm of rain during 2.2 hours. There was 5.6 hours of sunshine (66%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Monday, August 3, 1998 to Monday, July 22, 2002 the cabinet Kok II, with W. Kok (PvdA) as prime minister.
In The Netherlands , there was from Monday, July 22, 2002 to Tuesday, May 27, 2003 the cabinet Balkenende I, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
February 19 » NASA's Mars Odyssey space probe begins to map the surface of Mars using its thermal emission imaging system.
April 4 » The Angolan government and UNITA rebels sign a peace treaty ending the Angolan Civil War.
May 3 » An Indian Air Force MiG-21 crashes into a bank in Jalandhar, killing eight and injuring 17.
May 20 » The independence of East Timor is recognized by Portugal, formally ending 23 years of Indonesian rule and three years of provisional UN administration (Portugal itself is the former colonizer of East Timor until 1976).
May 24 » Russia and the United States sign the Moscow Treaty.
August 20 » A group of Iraqis opposed to the regime of Saddam Hussein take over the Iraqi embassy in Berlin, Germany for five hours before releasing their hostages and surrendering.
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/I431663.php : accessed January 12, 2026), "Alberdina Hartkamp (1911-2002)".
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