January 26 » For the first time, the Ottoman Empire permanently cedes territory to the Christian powers.
February 16 » First Leopoldine Diploma is issued by the Holy Roman Emperor, recognizing the Greek Catholic clergy enjoyed the same privileges as Roman Catholic priests in the Principality of Transylvania.
March 30 » Guru Gobind Singh establishes the Khalsa in Anandpur Sahib, Punjab.
April 14 » Khalsa: The Sikh religion was formalised as the Khalsa - the brotherhood of Warrior-Saints - by Guru Gobind Singh in northern India, in accordance with the Nanakshahi calendar.
Day of marriage May 21, 1725
The temperature on May 21, 1725 was about 13.0 °C. Source: KNMI
May 21 » The Order of St. Alexander Nevsky is instituted in Russia by Empress Catherine I. It would later be discontinued and then reinstated by the Soviet government in 1942 as the Order of Alexander Nevsky.
September 5 » Wedding of Louis XV and Maria Leszczyńska.
Day of burial June 20, 1775
The temperature on June 20, 1775 was about 18.0 °C. Wind direction mainly west-northwest. Weather type: betrokken. Special wheather fenomena: wat dauw. Source: KNMI
May 10 » American Revolutionary War: The Second Continental Congress takes place in Philadelphia.
June 11 » The American Revolutionary War's first naval engagement, the Battle of Machias, results in the capture of a small British naval vessel.
August 20 » The Spanish establish the Presidio San Augustin del Tucson in the town that became Tucson, Arizona.
October 13 » The Continental Congress establishes the Continental Navy (predecessor of the United States Navy).
October 27 » King George III expands on his Proclamation of Rebellion in the Thirteen Colonies in his speech from the throne at the opening of Parliament.
December 3 » USSAlfred becomes the first vessel to fly the Grand Union Flag (the precursor to the Stars and Stripes); the flag is hoisted by John Paul Jones.
When copying data from this family tree, please include a reference to the origin: E. Hillebregt - Zuiderwijk, "Family tree Blok", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_blok/I44.php : accessed January 9, 2026), "Cornelis Flore Westerduin (-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.