The temperature on June 28, 1912 was between 11.2 °C and 24.7 °C and averaged 18.1 °C. There was 11.3 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 11 » Immigrant textile workers in Lawrence, Massachusetts, go on strike when wages are reduced in response to a mandated shortening of the work week.
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
March 6 » Italo-Turkish War: Italian forces become the first to use airships in war, as two dirigibles drop bombs on Turkish troops encamped at Janzur, from an altitude of 6,000 feet.
May 13 » The Royal Flying Corps, the forerunner of the Royal Air Force, is established in the United Kingdom.
November 12 » King George I of Greece makes a triumphal entry into Thessaloniki after its liberation from 482 years of Ottoman rule.
Day of marriage June 2, 1938
The temperature on June 2, 1938 was between 7.8 °C and 18.0 °C and averaged 12.7 °C. There was 0.1 mm of rain. There was 7.7 hours of sunshine (47%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
January 3 » The March of Dimes is established as a foundation to combat infant polio by President Franklin D. Roosevelt.
February 18 » Second Sino-Japanese War: During the Nanking Massacre, the Nanking Safety Zone International Committee is renamed "Nanking International Rescue Committee", and the safety zone in place for refugees falls apart.
March 18 » Mexico creates Pemex by expropriating all foreign-owned oil reserves and facilities.
July 3 » World speed record for a steam locomotive is set in England, by the Mallard, which reaches a speed of 125.88 miles per hour (202.58km/h).
September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
November 16 » LSD is first synthesized by Albert Hofmann from ergotamine at the Sandoz Laboratories in Basel.
Day of death March 5, 1975
The temperature on March 5, 1975 was between 4.9 °C and 11.8 °C and averaged 7.5 °C. There was 1.6 mm of rain during 2.7 hours. There was 1.8 hours of sunshine (16%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 5 » The Tasman Bridge in Tasmania, Australia, is struck by the bulk ore carrier Lake Illawarra, killing twelve people.
March 26 » The Biological Weapons Convention comes into force.
July 15 » Space Race: Apollo–Soyuz Test Project features the dual launch of an Apollo spacecraft and a Soyuz spacecraft on the first joint Soviet-United States human-crewed flight. It was both the last launch of an Apollo spacecraft, and the Saturn family of rockets.
July 27 » Mayor of Jaffna and former MP Alfred Duraiappah is shot dead.
September 4 » The Sinai Interim Agreement relating to the Arab–Israeli conflict is signed.
October 16 » Indonesian troops kill the Balibo Five, a group of Australian journalists, Portuguese Timor.
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/I117968.php : accessed October 23, 2026), "Siebe Hamstra (1912-1975)".
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.