Editing April 6 (section)

===Pre–1600===
*[[46 BC]] &ndash; [[Julius Caesar]] defeats [[Quintus Caecilius Metellus Pius Scipio Nasica|Caecilius Metellus Scipio]] and [[Cato the Younger|Marcus Porcius Cato (Cato the Younger)]] at the [[Battle of Thapsus]].<ref>{{cite book|author=Evelyn Shirley Shuckburgh|title=A History of Rome to the Battle of Actium|url=https://archive.org/details/historyofrometob00shucuoft|year=1896|publisher=Macmillan and Company|page=[https://archive.org/details/historyofrometob00shucuoft/page/752 752]}}</ref>
* [[402]] &ndash; [[Stilicho]] defeats the [[Visigoths]] under [[Alaric I|Alaric]] in the [[Battle of Pollentia]].<ref>{{cite book|author=C. W. Previté Orton|title=The Shorter Cambridge Medieval History|year=1975|url=https://archive.org/details/shortercambridge0001prev|url-access=registration|publisher=CUP Archive|pages=[https://archive.org/details/shortercambridge0001prev/page/81 81]|isbn=9780521209632}}</ref>
*[[1320]] &ndash; The Scots reaffirm their independence by signing the [[Declaration of Arbroath]].<ref>{{cite book|last=Cowan|first=Edward J.|title=For Freedom Alone: The Declaration of Arbroath, 1320|location=East Linton, East Lothian, Scotland|publisher=Tuckwell|date=2002|isbn=9781862321502|url=https://books.google.com/books?id=FAM3anarxLwC|pages=4, 8}}</ref>
*[[1453]] &ndash; [[Mehmed II]] begins his [[Fall of Constantinople|siege of Constantinople]]. The city falls on [[May 29]] and is renamed [[Istanbul]].<ref>{{cite book|last=Tucker|first=Spencer C.|chapter=Overview of 1400-1500: Chronology|title=A Global Chronology of Conflict: From the Ancient World to the Modern Middle East. Vol.1: ca. 3000 BCE—1499 CE|editor-last=Tucker|editor-first=Spencer C.|location=Santa Barbara, Calif.|publisher=ABC=CLIO|date=2010|isbn=9781851096671|url=https://books.google.com/books?id=h5_tSnygvbIC|pages=341–343}}</ref>
*[[1580]] &ndash; One of the [[1580 Dover Straits earthquake|largest earthquakes]] recorded in the history of England, Flanders, or Northern France, takes place.<ref>{{cite news|last1=Wood|first1=Robin Muir|last2=Melville|first2=Charles|title=Who Killed the British Earthquake?|work=The New Scientist|date=October 20, 1983|page=173|accessdate=April 12, 2022|url=https://books.google.com/books?id=bIFUtulGdQcC&dq=Dover%20earthquake%20largest%20even%20%226%20April%22%20%221580%22&pg=PA173|postscript=none}}; {{cite book|last=Varley|first=P.M.|chapter=Seismic Risk Assessment and Analysis|title=Engineering Geology of the Channel Tunnel|editor-last1=Harris|editor-first1=Colin S.|editor-last2=Hart|editor-first2=Malcolm B.|editor-last3=Varley|editor-first3=P.M.|editor-last4=Warren|editor-first4=Colin D.|location=London|publisher=T. Telford|date=1996|isbn=9780727720450|url=https://books.google.com/books?id=Ui_qSldWobYC|pages=195–197}}</ref>