The temperature on June 7, 1926 was between 11.6 °C and 25.8 °C and averaged 17.3 °C. There was 8.9 hours of sunshine (54%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
March 16 » History of Rocketry: Robert Goddard launches the first liquid-fueled rocket, at Auburn, Massachusetts.
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
August 20 » Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
November 15 » The NBC radio network opens with 24 stations.
Day of marriage December 30, 1959
The temperature on December 30, 1959 was between 5.1 °C and 10.6 °C and averaged 8.3 °C. There was 2.8 hours of sunshine (36%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 8 » Charles de Gaulle is proclaimed as the first President of the French Fifth Republic.
February 20 » The Avro Arrow program to design and manufacture supersonic jet fighters in Canada is cancelled by the Diefenbaker government amid much political debate.
June 23 » Convicted Manhattan Project spy Klaus Fuchs is released after only nine years in prison and allowed to emigrate to Dresden, East Germany where he resumes a scientific career.
September 14 » The Soviet probe Luna 2 crashes onto the Moon, becoming the first man-made object to reach it.
September 27 » Typhoon Vera kills nearly 5,000 people in Japan.
November 19 » The Ford Motor Company announces the discontinuation of the unpopular Edsel.
Day of death January 7, 1993
The temperature on January 7, 1993 was between 0.2 °C and 9.4 °C and averaged 4.6 °C. There was 1.2 mm of rain during 2.4 hours. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 19 » Czech Republic and Slovakia join the United Nations.
February 12 » Two-year-old James Bulger is abducted from New Strand Shopping Centre by two ten-year-old boys, who later torture and murder him.
July 9 » The Parliament of Canada passes the Nunavut Act leading to the 1999 creation of Nunavut, dividing the Northwest Territories into arctic (Inuit) and sub-arctic (Dene) lands based on a plebiscite.
July 29 » The Supreme Court of Israel acquits alleged Nazi death camp guard John Demjanjuk of all charges and he is set free.
October 30 » The Troubles: Loyalists carry out a mass shooting at a Halloween party in Greysteel, Northern Ireland, killing six Catholics and two Protestants.
December 10 » The last shift leaves Wearmouth Colliery in Sunderland. The closure of the 156-year-old pit marks the end of the old County Durham coalfield, which had been in operation since the Middle Ages.
When copying data from this family tree, please include a reference to the origin: Isa, "Family tree Helderman ", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-helderman-flaman/I6.php : accessed August 8, 2025), "Wilhelmina Cornelia Geertruida Maria Maat (1926-1993)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.