The temperature on April 22, 1912 was between 7.6 °C and 20.2 °C and averaged 14.1 °C. There was 12.4 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
May 4 » Italy occupies the Greek island of Rhodes.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 7 » The Helsinki Stock Exchange sees its first transaction.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
Day of death May 17, 1967
The temperature on May 17, 1967 was between 7.6 °C and 16.4 °C and averaged 11.7 °C. There was 7.0 mm of rain during 2.5 hours. There was 4.9 hours of sunshine (31%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
February 10 » The 25th Amendment to the United States Constitution is ratified.
May 17 » Six-Day War: President Gamal Abdel Nasser of Egypt demands dismantling of the peace-keeping UN Emergency Force in Egypt.
June 9 » Six-Day War: Israel captures the Golan Heights from Syria.
October 18 » The Soviet probe Venera 4 reaches Venus and becomes the first spacecraft to measure the atmosphere of another planet.
October 21 » The National Mobilization Committee to End the War in Vietnam organizes a march of fifty thousand people from the Lincoln Memorial to the Pentagon.
November 29 » Vietnam War: U.S. Secretary of Defense Robert McNamara announces his resignation.
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/I139158.php : accessed October 12, 2026), "Meindert Sikkema (1912-1967)".
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.