The temperature on May 18, 1775 was about 11.0 °C. There was 26 mm of rainWind direction mainly north-northwest. Weather type: regen helder bui. Source: KNMI
April 20 » American Revolutionary War: The Siege of Boston begins, following the battles at Lexington and Concord.
July 5 » The Second Continental Congress adopts the Olive Branch Petition.
July 26 » The office that would later become the United States Post Office Department is established by the Second Continental Congress. Benjamin Franklin of Pennsylvania takes office as Postmaster General.
September 17 » American Revolutionary War: The Invasion of Canada begins with the Siege of Fort St. Jean.
September 25 » American Revolution: Benedict Arnold's expedition to Quebec sets off.
November 13 » American Revolutionary War: Patriot revolutionary forces under Gen. Richard Montgomery occupy Montreal.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I3895.php : accessed February 1, 2026), "Maria Petronella Bockelenberg (< 1737-1775)".
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.