Editing 1585 (section)

=== April&ndash;June ===
* [[April 10]] &ndash; [[Pope Gregory XIII]], known for promulgating the [[Gregorian calendar]] within the Roman Catholic nations of the world in [[1582]], dies after a reign of almost 13 years. A papal conclave is convened 11 days later to elect a successor.
* [[April 21]] &ndash; The [[1585 papal conclave|papal conclave]] begins at the Vatican in Rome on Easter Sunday, with only 42 of the 60 cardinals attending. Early voting favors Cardinals [[Pier Donato Cesi (1521–1586)|Pier Donato Cesi]] and [[Guglielmo Sirleto]], neither of whom receives a majority.<ref>Ludwig von Pastor,[https://archive.today/20130802035422/http://www.openlibrary.org/details/thehistoryofthep19pastuoft ''The History of the Popes from the CLose of the Middle Ages''] vol. XIX, ed. by Ralph Francis Kerr (Kegan, Paul, Trench Trubner & Co., 1930)</ref>
* [[April 24]] &ndash; Cardinal Felice Piergentile of the church of [[San Girolamo dei Croati]] is unanimously elected as the 227th Pope, and takes the regnal name [[Pope Sixtus V]].<ref>{{cite book|author=Patrick Williams|title=Armada|url=https://books.google.com/books?id=MAcXAQAAIAAJ|year=2000|publisher=Tempus|isbn=978-0-7524-1778-3|page=90|language=en}}</ref>
* [[May 1]] &ndash; The coronation of [[Pope Sixtus V]] takes place in Rome. 
* [[May 19]] &ndash; Spain seizes English ships in Spanish ports,<ref name=CBH>{{cite book|last=Palmer|first=Alan|last2=Palmer |first2=Veronica|year=1992|title=The Chronology of British History|publisher=Century Ltd|location=London|pages=160–162|isbn=0-7126-5616-2}}</ref> precipitating the [[Anglo-Spanish War (1585–1604)]].
* [[June 11]] &ndash; The 9.2 magnitude [[1585 Aleutian Islands earthquake|Aleutian Islands earthquake]] unleashes a tsunami in the Pacific Ocean, killing many people in Hawaii and reportedly striking Japan.<ref name="Tsunami Event">{{cite web |title=Tsunami Event Information |url=https://www.ngdc.noaa.gov/hazel/view/hazards/tsunami/event-more-info/188 |website=ngdc.noaa.gov |publisher=NCEI |access-date=8 July 2021}}</ref>
* [[June]] &ndash; [[Toyotomi Hideyoshi]] begins the [[Invasion of Shikoku (1585)|invasion of the Japanese island of Shikoku]] with an army of 113,000 men on 703 ships. The troops are divided into three groups, with 60,000 commanded by [[Toyotomi Hidenaga|Hashiba Hidenaga]] and [[Toyotomi Hidetsugu|Hashiba Hidetsugu]] toward the provinces of Awa and Tosa; 23,000 under [[Ukita Hideie]] at the province of Sanuki; and 30,000 under [[Kobayakawa Takakage]] and [[Kikkawa Motoharu]] for the province of Iyo.<ref name=Turnbull>{{cite book|last1=Turnbull|first1=Stephen|title=The Samurai Sourcebook|date=1998|publisher=Cassell & Co|location=London|isbn=9781854095237|page=236}}</ref>