Editing 1543 (section)

=== January&ndash;March ===
* [[January 4]] &ndash; [[Andrea Centurione Pietrasanta]] begins a two-year term as the new [[Doge of Genoa|Doge]] of the [[Republic of Genoa]], replacing [[Leonardo Cattaneo della Volta]].
* [[January 8]] &ndash; The burial of King [[James V of Scotland]] is carried out at [[Holyrood Abbey]].<ref>Andrea Thomas, ''Princelie Majestie'' (John Donald, 2005) pp. 12–15</ref>
* [[February 11]] &ndash; King [[Henry VIII of England]] allies with [[Charles V, Holy Roman Emperor]], against [[Kingdom of France|France]].<ref name=CBH1543>{{cite book|last1=Palmer|first1=Alan|last2=Palmer |first2=Veronica|year=1992|title=The Chronology of British History|publisher=Century Ltd|location=London|pages=147–150|isbn=0-7126-5616-2}}</ref>
* [[February 21]] &ndash; [[Battle of Wayna Daga]]: A joint Ethiopian-Portuguese force of 8,500, under Emperor [[Gelawdewos]] of Ethiopia, defeats Imam [[Ahmad ibn Ibrahim al-Ghazi]]'s army of over 14,000, ending the [[Ethiopian–Adal war]].
* [[March 7]] &ndash; 
**[[Zayyanid dynasty#List of rulers|Abu Abdallah Muhammad VI]] is [[Spanish expedition to Tlemcen (1543)|installed]] as the new ruler of the [[Kingdom of Tlemcen]] in what is now [[Algeria]], succeeding his brother Abu Zayyan III.<ref>{{Cite book|title=African States and Rulers|last=Stewart|first=John|publisher=McFarland|year=1989|isbn=0-89950-390-X|location=London}}</ref><ref>{{Cite book |last=Abun-Nasr |first=Jamil |url=https://books.google.com/books?id=jdlKbZ46YYkC |title=A history of the Maghrib in the Islamic period |publisher=Cambridge University Press |year=1987 |isbn=0521337674 |location=Cambridge |pages=149–157 |language=en}}</ref>
**Massive flooding of the [[Mississippi River]] and the [[Arkansas River]] begins in southeastern [[North America]] over a 40 day period while Spanish explorer [[Hernando DeSoto]] and his team are passing through.<ref>Ned Randolph, ''[https://books.google.com/books?id=vURJ8CNdiXQC&dq=%22De+la+Vega%22+flood+March+1543&pg=PA86 Muddy Thinking in the Mississippi River Delta: A Call for Reclamation]'' (University of California Press, 2024) pp.22-23</ref> The event is noted by the chronicler of the DeSoto Expedition, [[Inca Garcilaso de la Vega]].
* [[March 15]] &ndash; [[James Hamilton, Duke of Châtellerault|James Hamilton, 2nd Earl of Arran]], is elected by the Scottish Parliament as the Regent for the infant Mary Queen of Scots.
* [[March 18]] &ndash; As flooding of the Mississippi continues De la Vega notes that "on the eighteenth of March, 1543, while the Spaniards.. were making a procession in honor of Our Redeemer's entrance into Jerusalem, the river entered the gates of the little village of Aminoya in the wildness and fury of its flood, and two days later on ecould not pass through the streets except in canoes."<ref>Garcilaso de la Vega, ''The Florida of the Inca'' (1560) translated by John and Jeannette Varner, (University of Texas Press, 1951) p.554</ref> 
* [[March 20]] &ndash; [[Gustav I of Sweden|King Gustav of Sweden]] leads troops in troops crushing Dacke's Rebellion, led by Swedish peasant [[Nils Dacke]], with defeat coming at the Battle of Hjortensjon.<ref>"Hjortensjon I", in ''Dictionary of Battles and Sieges: A Guide to 8,500 Battles from Antiquity Through the Twenty-first Century'', ed. by Tony Jaques (Bloomsbury Publishing, 2006) p.450</ref>
* [[March 21]] &ndash; In [[Nuremberg]], ''[[De revolutionibus orbium coelestium]]'' (''On the Revolutions of the Heavenly Spheres'') is printed <ref>Karol Górski, ''Mikołaj Kopernik: Środowisko społeczne i samotność'' (Nicolaus Copernicus: Social Environment and Loneliness) (Toruń: Mikloaj Kopernik University Press, 2012) p.251 {{ISBN|978-83-231-2777-2}}</ref> during the illness of [[Nicholas Copernicus]], offering mathematical arguments for the existence of the [[heliocentric]] universe, denying the [[geocentric model]]. According to legend, Copernicus, who had a stroke in December, is presented a copy of the book on his deathbed shortly before passing away on [[May 24]] in [[Frombork]] at the age of 70.