Editing 1597 (section)

=== April–June ===
* [[April 10]] – The [[Serb uprising of 1596–97]] ends in defeat for the rebels, at the field of [[Gacko]] ([[Gatačko Polje]]).
* [[April 19]] – Prince [[Nyaungyan Min]] ignores the orders of King [[Nanda Bayin]] of [[Burma]] and seizes control of the Kingdom of Ava (now in Upper Myanmar)
* [[April 23]] – Probable first performance of [[William Shakespeare]]'s ''[[The Merry Wives of Windsor]]''.
* [[April 27]] – [[Johannes Kepler]] marries Barbara Muhleck.<ref>{{cite book|author=John Hudson Tiner|title=Johannes Kepler: Giant of Faith and Science|url=https://books.google.com/books?id=V5mexmtKUXgC|year=1999|publisher=Mott Media|isbn=978-0-915134-11-3|page=86|language=en}}</ref>
* [[May 13]] – King Henry IV of France and England's General [[Thomas Baskerville (general)|Thomas Baskerville]] begin the [[Siege of Amiens (1597)|siege of the city of Amiens]] in France, which had been captured on March 11 by the Spanish Army. The city is recaptured by September 25. 
* [[May 27]] – The [[Kingdom of Kotte]], on most of the western side of the island of [[Sri Lanka]], upon the death of [[Dharmapala of Kotte|King Dharmapala]]. With no heirs, Dharmapala had made a will bequeathing the entire kingdom to the European nation of [[Portugal]], creating the territory of [[Portuguese Ceylon]] (''Puruthugisi Lankawa'' or ''Porthueka Ilankai'').
* [[June 13]] – The [[States General of the Netherlands|Staten-Generaal]] of the [[Dutch Republic]]  approves a proposal for the ''Generaliteitscollege'', a common board for the Republic's five separate navies, the [[Admiralty of Amsterdam]], the [[Admiralty of Rotterdam]], the [[Admiralty of Zeeland]], the [[Admiralty of the Noorderkwartier]] and the [[Admiralty of Friesland]].