The temperature on July 15, 1868 was about 22.0 °C. The air pressure was 1 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 58%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
February 24 » Andrew Johnson becomes the first President of the United States to be impeached by the United States House of Representatives. He is later acquitted in the Senate.
April 7 » Thomas D'Arcy McGee, one of the Canadian Fathers of Confederation, is assassinated by a Fenian activist.
May 26 » The Impeachment of Andrew Johnson ends with his acquittal by one vote.
May 30 » Decoration Day (the predecessor of the modern "Memorial Day") is observed in the United States for the first time after a proclamation by John A. Logan, head of the Grand Army of the Republic (a veterans group).
November 3 » John Willis Menard (R-Louisiana) was the first African American elected to the United States Congress. Because of an electoral challenge, he was never seated.
December 9 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
Day of marriage May 13, 1899
The temperature on May 13, 1899 was about 11.3 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 79%. Source: KNMI
March 4 » Cyclone Mahina sweeps in north of Cooktown, Queensland, with a 12 metres (39ft) wave that reaches up to 5 kilometres (3.1mi) inland, killing over 300.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 29 » The First Hague Convention is signed.
October 11 » The Second Boer War erupts in South Africa between the British-ruled Cape Colony, and the Boer-ruled Transvaal and Orange Free State.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
Day of death November 27, 1960
The temperature on November 27, 1960 was between 5.0 °C and 10.6 °C and averaged 8.6 °C. There was 11.3 mm of rain during 13.8 hours. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
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/I56555.php : accessed October 20, 2026), "Ymke Harmens Boelens (1868-1960)".
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.