May 25 » Ming general Wu Sangui forms an alliance with the invading Manchus and opens the gates of the Great Wall of China at Shanhaiguan pass, letting the Manchus through towards the capital Beijing.
May 27 » Manchu regent Dorgon defeats rebel leader Li Zicheng of the Shun dynasty at the Battle of Shanhai Pass, allowing the Manchus to enter and conquer the capital city of Beijing.
July 2 » English Civil War: Battle of Marston Moor.
October 13 » A Swedish–Dutch fleet defeats the Danish fleet at Fehmarn and captures about 1,000 prisoners.
October 27 » Second Battle of Newbury in the English Civil War.
November 23 » John Milton publishes Areopagitica, a pamphlet decrying censorship.
March 4 » English King Charles II declares war on the Netherlands marking the start of the Second Anglo-Dutch War.
March 6 » The first joint Secretary of the Royal Society, Henry Oldenburg, publishes the first issue of Philosophical Transactions of the Royal Society, the world's longest-running scientific journal.
April 8 » English colonial patents are granted for the establishment of the Monmouth Tract, for what would eventually become Monmouth County in northeastern New Jersey.
June 12 » Thomas Willett is appointed the first mayor of New York City.
June 17 » Battle of Montes Claros: Portugal definitively secured independence from Spain in the last battle of the Portuguese Restoration War.
October 29 » Portuguese forces defeat the Kingdom of Kongo and decapitate King António I of Kongo, also known as Nvita a Nkanga.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I2142.php : accessed February 7, 2026), "Joannes Laurijssen (Jan) Deijckers (1644-± 1700)".
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.