The temperature on May 6, 1878 was about 22.3 °C. The air pressure was 7 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 55%. Source: KNMI
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
January 16 » Russo-Turkish War (1877–78): Battle of Philippopolis: Captain Aleksandr Burago with a squadron of Russian Imperial army dragoons liberates Plovdiv from Ottoman rule.
January 28 » Yale Daily News becomes the first independent daily college newspaper in the United States.
March 3 » The Russo-Turkish War ends with Bulgaria regaining its independence from the Ottoman Empire according to the Treaty of San Stefano.
May 25 » Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London.
October 15 » The Edison Electric Light Company begins operation.
Day of marriage May 16, 1899
The temperature on May 16, 1899 was about 12.3 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 69%. Source: KNMI
February 2 » The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.
February 14 » Voting machines are approved by the U.S. Congress for use in federal elections.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
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.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
Day of death May 26, 1961
The temperature on May 26, 1961 was between 6.4 °C and 11.8 °C and averaged 9.3 °C. There was 1.0 mm of rain during 0.8 hours. There was 0.7 hours of sunshine (4%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
February 3 » The United States Air Forces begins Operation Looking Glass, and over the next 30 years, a "Doomsday Plane" is always in the air, with the capability of taking direct control of the United States' bombers and missiles in the event of the destruction of the SAC's command post.
March 9 » Sputnik 9 successfully launches, carrying a dog and a human dummy, and demonstrating that the Soviet Union was ready to begin human spaceflight.
April 27 » Sierra Leone is granted its independence from the United Kingdom, with Milton Margai as the first Prime Minister.
May 5 » Alan Shepard becomes the first American to travel into outer space, on a sub-orbital flight.
June 1 » The Canadian Bank of Commerce and Imperial Bank of Canada merge to form the Canadian Imperial Bank of Commerce, the largest bank merger in Canadian history.
September 18 » CONCACAF is established as the governing body for association football in North America, Central America and the Caribbean.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I26650.php : accessed February 14, 2026), "Baukje Sinnema (1878-1961)".
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.