View source for 1568

=== April&ndash;June ===
* [[April 23]] &ndash; [[Eighty Years' War]]: The [[Battle of Dahlen]] takes place in the [[Duchy of Jülich]] near the modern-day [[Rheindahlen]] borough in the German city of [[Mönchengladbach]], [[North Rhine-Westphalia]]. Spanish troops, commanded by [[Sancho d'Avila]], overwhelm a larger force of Dutch rebels led by Jean de Montigny, Lord of Villers.<ref>John Lothrop Motley, ''The Rise of the Dutch Republic: A History'' (Harper & Brothers, 1883) p.160</ref> 
* [[May 2]] &ndash; The deposed [[Mary, Queen of Scots]], escapes from [[Lochleven Castle]].
* [[May 13]] &ndash;  [[Marian civil war]] in Scotland: [[Battle of Langside]] &ndash; The forces of [[Mary, Queen of Scots]], are defeated by a confederacy of Scottish [[Protestant]]s under [[James Stewart, 1st Earl of Moray]], regent of Scotland and her half-brother.<ref>{{cite book|author1=Peter G. B. McNeill|author2=Hector L. MacQueen|title=Atlas of Scottish History to 1707|url=https://books.google.com/books?id=qs1-AAAAMAAJ|year=1996|publisher=Scottish Medievalists and Department of Geography, University of Edinburgh|isbn=978-0-9503904-1-3|page=134|language=en}}</ref>
* [[May 16]] &ndash; [[Mary, Queen of Scots]], flees across the [[Solway Firth]] from [[Kingdom of Scotland|Scotland]] to [[Kingdom of England|England]]<ref>{{cite journal|last=Holmes|first=P. J.|title=Mary Stewart in England|journal=The Innes Review|year=1987|volume=38|issue=38|pages=195–218|doi=10.3366/inr.1987.38.38.195|url=https://www.euppublishing.com/doi/abs/10.3366/inr.1987.38.38.195?journalCode=inr|access-date=2023-12-05|url-access=subscription}}</ref> but on May 19 is placed in custody in [[Carlisle Castle]] on the orders of Queen [[Elizabeth I of England]], her cousin.
* [[May 23]] &ndash; [[Battle of Heiligerlee (1568)|Battle of Heiligerlee]]: Troops under [[Louis of Nassau]], brother of [[William the Silent]], defeat a smaller loyalist force under [[Jean de Ligne]], in an attempt to invade the Northern Netherlands. This effectively begins the [[Eighty Years' War]].<ref>{{cite book|author=Marco van der Hoeven|title=Exercise of Arms: Warfare in the Netherlands, 1568-1648|url=https://books.google.com/books?id=95Lbwsu1EC8C&pg=PA57|year=1997|publisher=Brill|isbn=90-04-10727-4|pages=57|language=en}}</ref>
* [[June 1]] &ndash; A mass execution is carried out in the Spanish Netherlands at [[Sablon, Brussels|Sablon]], near [[Brussels]], as 18 persons who signed the [[Compromise of Nobles]] on April 5, 1566, are beheaded.<ref>Louis Verniers, ''Un millénaire d'histoire de Bruxelles. Des origines à 1830'' (A. De Boeck, 1965) p.227</ref>
* [[June 13]] &ndash; [[Thomas Lancaster]] is consecrated as the [[Archbishop of Armagh]], spiritual leader of the [[Church of Ireland]], succeeding Archbishop [[Adam Loftus (bishop)|Adam Loftus]].
* [[June 27]] &ndash; Ottoman pirate [[Occhiali|Kılıç Ali Pasha]], formerly Italian farmer Giovanni Dionigi Galeni, is appointed as the Ottoman [[Beylerbey]] of [[Ottoman Algeria]] by the Sultan [[Selim II]].