The temperature on July 23, 1909 was between 11.7 °C and 19.3 °C and averaged 15.4 °C. There was 4.3 mm of rain. There was 4.9 hours of sunshine (31%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
February 12 » New Zealand's worst maritime disaster of the 20th century happens when the SSPenguin, an inter-island ferry, sinks and explodes at the entrance to Wellington Harbour.
April 11 » The city of Tel Aviv is founded.
May 31 » The National Negro Committee, forerunner to the National Association for the Advancement of Colored People (NAACP), convenes for the first time.
August 24 » Workers start pouring concrete for the Panama Canal.
September 30 » The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
Day of marriage May 21, 1938
The temperature on May 21, 1938 was between 6.5 °C and 13.3 °C and averaged 9.7 °C. There was 4.1 mm of rain during 5.2 hours. There was 0.6 hours of sunshine (4%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
May 25 » Spanish Civil War: The bombing of Alicante kills 313 people.
May 26 » In the United States, the House Un-American Activities Committee begins its first session.
July 17 » Douglas Corrigan takes off from Brooklyn to fly the "wrong way" to Ireland and becomes known as "Wrong Way" Corrigan.
July 31 » Bulgaria signs a non-aggression pact with Greece and other states of Balkan Antanti (Turkey, Romania, Yugoslavia).
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
October 5 » In Nazi Germany, Jews' passports are invalidated.
Day of death November 6, 1978
The temperature on November 6, 1978 was between 4.3 °C and 9.0 °C and averaged 6.9 °C. There was -0.1 mm of rain. The heavily 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, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 24 » Soviet satellite Kosmos 954, with a nuclear reactor on board, burns up in Earth's atmosphere, scattering radioactive debris over Canada's Northwest Territories. Only 1% is recovered.
February 9 » The Budd Company unveils its first SPV-2000 self-propelled railcar in Philadelphia, Pennsylvania.
February 16 » The first computer bulletin board system is created (CBBS in Chicago).
March 11 » Coastal Road massacre: At least 37 are killed and more than 70 are wounded when Fatah hijack an Israeli bus, prompting Israel's Operation Litani.
September 8 » Black Friday, a massacre by soldiers against protesters in Tehran, results in 700–3000 deaths, it marks the beginning of the end of the monarchy in Iran.
September 16 » The 7.4 Mw Tabas earthquake affects the city of Tabas, Iran with a maximum Mercalli intensity of IX (Violent). At least 15,000 people were killed.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I118087.php : accessed October 20, 2026), "Hendrik Klaver (1909-1978)".
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