Editing 1580 (section)

=== July&ndash;September ===
* [[July 12]] &ndash; The ''[[Ostrog Bible]]'', the first complete printed [[Bible translations into Slavic languages|Bible translation into a Slavic language]] ([[Old Church Slavonic]]), is first printed at [[Ostroh]] in the [[Polish–Lithuanian Commonwealth]] (modern-day [[Ukraine]]) by [[Ivan Fyodorov (printer)|Ivan Fyodorov]].<ref>{{cite book|author=Joze Krasovec|title=The Interpretation of the Bible: The International Symposium in Slovenia|url=https://books.google.com/books?id=jiukF7F_r3cC&pg=PA676|date=1 October 1999|publisher=A&C Black|isbn=978-0-567-34563-9|pages=676|language=en}}</ref>
* [[July 24]] &ndash; [[Portuguese succession crisis of 1580]]: [[António, Prior of Crato]], a grandson of the late King Manuel by Manuel's second son, the [[Luís of Portugal, Duke of Beja|Duke of Beja]] is proclaimed King of Portugal by his supporters in the city of [[Santarém, Portugal|Santarém]], and popular acclamation follows in [[Lisbon]] and other locations.<ref>"Antonio, Prior of Crato", by David Hannay, ''Encyclopædia Britannica'', Volume 2 (11th ed.) (Cambridge University Press, 2011)</ref><ref>Carlos Melo Bento, ''História dos Açores: Da descoberta a 1934'' (in Portuguese) (Câmara Municipal de Ponta Delgada, 2008) p.34</ref> Portugal's parliament, the Cortes, refuses to acknowledge Antonio and he is defeated 32 days later at Alcântara.
* [[August 25]] &ndash; [[Battle of Alcântara (1580)|Battle of Alcântara]]: Spanish armies, led by [[Fernando Álvarez de Toledo, 3rd Duke of Alba|Fernando Álvarez de Toledo]], defending the claim of King [[Philip II of Spain]] to the [[Portuguese throne]], defeat the armies of Portuguese claimant [[António, Prior of Crato]].<ref>{{cite book|title=Portuguese Studies Review|url=https://books.google.com/books?id=QhgXAQAAMAAJ|year=2005|publisher=Baywolf Press|page=71|language=en}}</ref>
* [[September 26]] &ndash; [[Francis Drake]] returns to [[Plymouth]], England from his [[Francis Drake's Circumnavigation|voyage of circumnavigation]] (westbound) on the ''[[Golden Hind]]'',<ref name="Pocket On This Day">{{cite book|title=Penguin Pocket On This Day|publisher=Penguin Reference Library|isbn=0-14-102715-0|year=2006}}</ref> the second completed in a continuous voyage, and the first under its original commander.
* [[September 29]] &ndash; Five of the seven provinces of the Dutch Republic (with the exception of [[Zeeland]] and [[Holland]]) sign the [[Treaty of Plessis-les-Tours]], recognizing [[Francis, Duke of Anjou]] as the Republic's sovereign.