1520

File:Stockholm Bloodbath.jpg: Stockholm Bloodbath]]

• January 19 – King Christian II of Denmark and Norway defeats the Swedes, at Lake Åsunden in Sweden. The Swedish regent Sten Sture the Younger is mortally wounded in the Battle of Bogesund. He is rushed towards Stockholm, in order to lead the fight against the Danes from there.{{cite book |author=Ewan Butler |title=The Horizon Concise History of Scandinavia |url=https://books.google.com/books?id=K9iEAAAAIAAJ|year=1973 |publisher=American Heritage Publishing Company |isbn=978-0-07-009365-2 |page=81}}
• February 3 – Swedish regent Sten Sture dies from his wounds leaving a vacancy on the throne that allows King Christian II of Denmark to conquer Sweden within eight months.
• February 6 – The Swabian League sells the Duchy of Württemberg to the Holy Roman Emperor, Charles V, for 220,000 florins and payment of the Duchy's debt of 1,100,000 Goldgulden{{cite book |last=Marcus |first=Kenneth H. |title=Politics of Power: Elites of an Early Modern State in Germany |date=2000 |publisher=Verlag Philipp von Zabern |page=46 |isbn=3-8053-2534-7}}
• March 10 – Thomas Howard, 3rd Duke of Norfolk becomes England's new Lord Deputy of Ireland{{cite DNB |last=Creighton |first=Mandell |wstitle=Howard, Thomas II (1473-1554) |display=Howard, Thomas II (1473–1554) |volume=28 |pages=64–67}}
• March 31 – The Magellan expedition, led by Portuguese explorer Ferdinand Magellan (Fernão de Magalhães), pauses in its attempt to sail around the world, stopping at Puerto San Julian on the lower east coast of what is now Patagonia in Argentina. His fleet consists of Magellan's flagship, Trinidad, and four other vessels, Concepción, Victoria, San Antonio and Santiago.{{Cite book |last=Cameron |first=Ian |title=Magellan and the first circumnavigation of the world |pages=101–103 |date=1974 |publisher=Weidenfeld & Nicolson |isbn=029776568X |location=London |oclc=842695}}

• April 2 – Juan de Cartagena, formerly captain of the largest ship on the Magellan expedition, San Antonio, escapes captivity from the Victoria and begins a mutiny against Ferdinand Magellan.{{cite book|last=Beaglehole |first=J.C. | authorlink=John Beaglehole |title=The Exploration of the Pacific |publisher=Stanford University Press |year=1968 |pages=25–26 |isbn=9780804703109}} He is joined by Gaspar de Quesada, captain of the Concepción, and Luis de Mendoza, captain of the Victoria. On the first day of the rebellion, under the pretense of delivering Magellan's letter of surrender to the Victoria, several crew from the Magellan's flagship Trinidad stab Mendoza to death, and the rest of the Victoria crew seizes the mutineers.
• April 3 – The crew of the San Antonio surrenders to Magellan after being unable to stop drifting in strong winds and being fired at by a cannon, and Gaspar de Quesada surrenders the Concepcion. Four days later, Quesada is beheaded along with other mutineers, while Cartagena is left on an island by Magellan in August.
• April 16 – Revolt of the Comuneros: Citizens of Toledo, Castile opposed to the rule of the Flemish-born Charles V, Holy Roman Emperor, rise up when the royal government attempts to unseat radical city councilors.{{cite book |last1=Haliczer |first1=Stephen |title=The Comuneros of Castile : the forging of a revolution, 1475-1521 |date=1981 |publisher=University of Wisconsin Press |location=Madison |isbn=978-0-299-08500-1 |pages=160–161 |url=https://archive.org/details/comunerosofcasti0000hali/page/160/mode/2up?q=flemish |access-date=22 July 2023}}
• May 7 – The semi-independent Duchy of Mecklenburg, in what is now Germany, is partitioned into two duchies, Mecklenburg-Schwerin and Mecklenburg-Strelitz.Gustav Hempel, [https://books.google.com/books?id=_2UAAAAAcAAJ&dq=Neubrandenburg+Hausvertrag&pg=RA1-PA53 Geographisch-statistisch-historisches Handbuch des Meklenburger Landes] (Güstrow Frege, publisher, 1837), p. 52–53.
• May 22 –
• The Massacre in the Great Temple of Tenochtitlan takes place in Mexico after the Aztec Emperor Moctezuma II is allowed by the Deputy Governor of New Spain, Pedro de Alvarado, to host Aztec nobles at the Great Temple at Tenochtitlan to celebrate the Feat of Toxcatl in honor of the god Tezcatlipoca. Alvarado uses the opportunity to kill more than 600 Aztec warriors and commanders, but spares Moctezuma.{{cite book |last=Tena |first=Rafael |title=El Calendario Mexica y la Cronografía |publisher=Instituto Nacional de Antropología e Historia |location=México, D.F |year=2008 |isbn=9789680302932 |oclc=704511699 |language=es |pages=48, 108}}{{cite journal |title=Doña Isabel Moctezuma, Tecuichpotzin (1509- 1551) |first=Rodrigo |last=Martínez |journal=Revista de la Universidad de México |url=http://www.revistadelauniversidad.unam.mx/ojs_rum/files/journals/1/articles/14010/public/14010-19408-1-PB.pdf |location=México |publisher=Universidad Nacional Autónoma de México |oclc=225987442 |date=July 1994 |volume=49 |issue=522 |pages=40–43}}
• The Magellan expedition loses its first ship as the caravel Santiago is wrecked in a storm while sailing inland on Argentina's Santa Cruz River{{Cite book |last=Bergreen |first=Laurence |title=Over the Edge of the World: Magellan's Terrifying Circumnavigation of the Globe |date=2006 |publisher=Blackstone Audio |pages=156, 191–192 |isbn=978-0-7927-4395-8 |oclc=1011550094 |type=audio book}}
• June 7 – King Henry VIII of England and King Francis I of France meet at the famous Field of the Cloth of Gold.{{cite book|author=Winston Churchill|title=History of the English Speaking Peoples: Based on the Text of 'A History of the English-speaking Peoples' by Sir Winston Churchill|url=https://books.google.com/books?id=qSTvAAAAMAAJ|year=1969|publisher=B.P.C. Publishing|page=1096}}
• June 10 – Revolt of the Comuneros: Segovia is blockaded.
• June 15 – Pope Leo X issues the bull Exsurge Domine (Arise O Lord), threatening Martin Luther with excommunication, if he does not recant his position on indulgences and other Catholic doctrines.{{cite book |last1=Kolb |first1=Robert |last2=Dingel |first2=Irene |last3=Batka |first3=L'ubomir |chapter=Luther's Life|title=The Oxford Handbook of Martin Luther's Theology |date=1 April 2014 |publisher=Oxford University Press |page=14 |doi=10.1093/oxfordhb/9780199604708.013.001 |isbn=978-0-19-960470-8 |chapter-url=https://academic.oup.com/edited-volume/34343/chapter/327331207 |access-date=22 July 2023}}
• June 29 – Moctezuma II, Aztec ruler of Tenochtitlan, is assassinated by other Aztec leaders as he attempts to address his people.{{cite book|last=Díaz|first=Bernal|author-link=Bernal Díaz del Castillo|editor-last=Carrasco|editor-first=Davíd|title=The History of the Conquest of New Spain|year=2008|publisher=University of New Mexico Press|location=Albuquerque|pages=222–223|isbn=978-0-8263-4287-4|url=https://iu.instructure.com/courses/1479413/files/57622696/download|access-date=22 May 2018}} His brother Cuitláhuac rises to the throne.

• July 1 – La Noche Triste (Night of Sorrow): The forces of Cuitláhuac, Aztec ruler of Tenochtitlan, gain a major victory against the forces of conquistador Hernán Cortés. This results in the death of about 400 conquistadors, and some 2,000 of their Native American allies. However, Cortés and the most skilled of his men manage to escape and later regroup.
• July 7 – Otumba near Lake Texcaco: The Spaniards defeat the Aztecs.{{cite book|author=Stephen Vincent Grancsay|title=Arms & Armor: Essays from the Metropolitan Museum of Art Bulletin, 1920-1964|url=https://books.google.com/books?id=gQo4AQAAIAAJ|year=1986|publisher=The Museum|isbn=978-0-87099-338-1|page=207}}
• August 11 – Ferdinand Magellan maroons the two surviving people who had attempted a mutiny against him, Captain Juan de Cartagena and Father Pedro Sánchez de la Reina, placing them on an island off of the coast of Argentina and providing them with a small supply of ship's biscuits and drinking water. Cartagena and Sanchez are never heard from again.
• August 21 – After wintering in Patagonia in Argentina, the Magellan expedition resumes its attempt to become the first crew to sail around the world.{{cite book|author=Laurence Bergreen|title=Over the Edge of the World|publisher=Harper Perennial, 2003|page=[https://archive.org/details/overedgeofworl00berg/page/163 163]|isbn=978-0-06-621173-2|date=2003-10-14|url=https://archive.org/details/overedgeofworl00berg/page/163|author-link=Laurence Bergreen}}
• August 24 – The French warrior René of Savoy departs from Marseille on his flagship, Sainte Marie de Bonaventure on a four-month mission to protect the Knights Hospitaller against an attack by the Ottoman Turks.
• August – Martin Luther publishes To the Christian Nobility of the German Nation.{{cite book |last1=Mullett |first1=Michael A. |title=Martin Luther |date=15 September 2014 |publisher=Routledge |isbn=978-1-317-64861-1 |page=134 |url=https://books.google.com/books?id=WzaDBAAAQBAJ&dq=To+the+Christian+Nobility+of+the+German+Nation+martin+luther+%22august+1520%22&pg=PA134 |access-date=22 July 2023 |language=en}}
• September 7 – Christian II makes his triumphant entry into Stockholm, which had surrendered to him a few days earlier.{{cite book |last1=Gfrörer |first1=August Friedrich |title=Gustav Adolph: könig von Schweden und seine Zeit |date=1863 |publisher=Adolph Krabbe |page=3 |url=https://books.google.com/books?id=zFcorQs8U9gC&dq=%227+september+1520%22+christian+ii+stockholm&pg=PA3 |access-date=22 July 2023 |language=de}} Sten Sture's widow Christina Gyllenstierna, who has led the fight after Sten's death, and all other persons in the resistance against the Danes, are granted amnesty and are pardoned for their involvement in the resistance.
• September 22 – Suleiman I succeeds his father Selim I as Sultan of the Ottoman Empire.{{cite book |last1=Hill |first1=George |title=A History of Cyprus |date=23 September 2010 |publisher=Cambridge University Press |isbn=978-1-108-02064-0 |page=834 |url=https://books.google.com/books?id=fcEOVAfVXOEC&dq=Suleiman+sultan+%2222+september+1520%22&pg=PA834 |access-date=22 July 2023 |language=en}} He is officially crowned on September 30.{{cite book |last1=Emecen |first1=Feridun |title=Sultan Sulaiman Al-Qanuni: Penguasa Dua Daratan dan Dua Lautan |date=12 April 2022 |publisher=Pustaka Al-Kautsar |isbn=978-979-592-969-7 |pages=28–29 |url=https://books.google.com/books?id=T7yGEAAAQBAJ&q=%2230%20september%201520%22 |access-date=22 July 2023 |language=id}}

• October 21 (Feast of St. Ursula) – The islands of Saint Pierre and Miquelon are discovered by Portuguese explorer João Álvares Fagundes, off Newfoundland. He names them Islands of the 11,000 Virgins, in honour of Saint Ursula.
• October 23 – Charles V is crowned King of Germany in Aachen.{{cite book |last1=Philipp |first1=Marion |title=Ehrenpforten für Kaiser Karl V.: Festdekorationen als Medien politischer Kommunikation |date=2011 |publisher=LIT Verlag Münster |isbn=978-3-643-11134-0 |page=75 |url=https://books.google.com/books?id=6NbtZ6EP3JkC&dq=Karl+gegen+den+deutschen+K%C3%B6nig+%E2%80%9E23.+Oktober+1520%E2%80%9C&pg=PA75 |access-date=22 July 2023 |language=de}}
• October 21 – The four remaining ships of the Magellan expedition and their crews confirm that they have found the passage that will be named the Strait of Magellan, the passage between the Atlantic and Pacific Oceans. The crew of the San Antonio, led by Estêvão Gomes elects not to sail into strait and begins journeying back to Spain.{{cite book|author=Laurence Bergreen|title=Over the Edge of the World|publisher=Harper Perennial, 2003|pages=191–192|isbn=978-0-06-621173-2|date=2003-10-14|url=https://archive.org/details/overedgeofworl00berg/page/163|author-link=Laurence Bergreen}}
• November 1 – Christian II is crowned king of Sweden in Nikolai Church.{{cite book |title=Läsebok för folkskolan |date=1903 |publisher=P.A. Norstedt & söner |location=Stockholm |page=500 |url=https://books.google.com/books?id=lvoNAAAAYAAJ&dq=christian+ii+sverige+%221+november+1520%22&pg=PA500 |access-date=23 July 2023 |language=sv}} The coronation is followed by a three-day feast in Stockholm.
• November 7 – At the end of the third day of Christian's coronation feast, several leading figures of the Swedish resistance against the Danish invasion are imprisoned, and tried for high treason.{{cite book |last1=Hillerbrand |first1=Hans J. |title=The Oxford encyclopedia of the Reformation |date=1996 |publisher=Oxford University Press |location=New York |isbn=978-0-19-506493-3 |page=114 |url=https://archive.org/details/oxfordencycloped0004unse_v6g2/page/114/mode/2up?q=%227+november%22 |access-date=23 July 2023}}
• November 9– Stockholm Bloodbath: The execution of 82 Swedish noblemen and clergymen, having been sentenced to death for their involvement in the Swedish resistance against the Danish invasion, is completed after two days of beheading.{{cite web |title=Stockholms blodbad 1520 |url=https://stockholmskallan.stockholm.se/teman/stockholmshandelser/stockholms-blodbad-1520/ |website=Stockholmskällan redaktion |access-date=23 July 2023 |language=sv |date=8 April 2022}}
• November 25 – Cuauhtémoc becomes the last Aztec Emperor after the death from smallpox of the Emperor Cuitláhuac, who reigned for only 80 days.{{cite book |first=Manuel |last=Orozco y Berra |title= Historia antigua y de la conquista de México (Ancient history of the conquest of Mexico) |url=http://archive.org/stream/historiaantiguay04oroz#page/492/mode/2up |access-date=October 7, 2012 |year= 1880 |publisher= Tipografía de Gonzalo A. Esteva|page=493}}
• November 28 – After navigating through the strait at the southern end of South America, three ships under the command of Portuguese explorer Ferdinand Magellan reach the Pacific Ocean. Magellan thankful to find a peaceful sea after the dangerous trip through the strait, names the body of water "El Mar Pacifico" because of its pacifying waters.{{cite journal |last1=Fitzpatrick |first1=Scott M. |last2=Callaghan |first2=Richard |title=Magellan's Crossing of the Pacific |journal=The Journal of Pacific History |date=September 2008 |volume=43 |issue=2 |pages=145–165 |doi=10.1080/00223340802303611 |s2cid=161223057 |url=https://www.tandfonline.com/doi/abs/10.1080/00223340802303611 |language=en |issn=0022-3344|url-access=subscription }}{{cite journal |last1=Alberdi Lonbide |first1=Xabier |last2=Etxezarraga Ortuondo |first2=Iosu |title=The Victoria : An example of Basque maritime technology that enabled the first circumnavigation of the globe, 1518-1522 |journal=International Journal of Maritime History |date=May 2021 |volume=33 |issue=2 |pages=241–256 |doi=10.1177/08438714211013575 |s2cid=235599215 |url=https://journals.sagepub.com/doi/abs/10.1177/08438714211013575 |access-date=23 July 2023 |language=en |issn=0843-8714|url-access=subscription }} becoming the first Europeans to sail from the Atlantic Ocean to the Pacific (the strait is later named the Strait of Magellan).
• December 10 – Martin Luther burns a copy of The Book of Canon Law (see Canon Law), and his copy of the Papal bull Exsurge Domine.{{cite book |last1=Elton |first1=G. R. |title=The New Cambridge Modern History: Volume 2, The Reformation, 1520-1559 |date=2 August 1990 |publisher=Cambridge University Press |isbn=978-0-521-34536-1 |page=69 |url=https://books.google.com/books?id=59Pae06JSiUC&dq=The+Book+of+Canon+Law+Exsurge+Domine+martin+luther+%2210+december+1520%22&pg=PA69 |access-date=23 July 2023 |language=en}}

• The Franciscan friar Matteo Bassi is inspired to return to the primitive life of solitude and penance, as practiced by St. Francis, giving rise to the Order of Friars Minor Capuchin.
• Duarte Barbosa returns to Cananor.
• Aleksandra Lisowska (Roxelana) is given as a gift to Suleiman I on the occasion of his accession to the throne.{{cite book |last1=Peirce |first1=Leslie P. |title=Empress of the east : how a European slave girl became queen of the Ottoman Empire |date=2017 |publisher=Basic Books |location=New York |isbn=978-0-465-03251-8 |page=32 |url=https://archive.org/details/empressofeasthow0000peir/page/32/mode/2up?q=%22gift%22 |access-date=23 July 2023}}
• King Manuel I creates the public mail service of Portugal, the Correio Público.{{cite news |last1=Brito |first1=Ana |title=CTT: uma empresa onde se lê a história do país |url=https://www.publico.pt/2013/12/04/economia/noticia/ctt-uma-empresa-onde-se-le-a-historia-do-pais-1614866 |access-date=23 July 2023 |work=PÚBLICO |date=4 December 2013 |language=pt}}

File:Cranach the Younger Barbara Radziwiłł.jpg]]

• January 7 – Peder Oxe, Danish finance minister (d. 1575){{cite book |last1=Troels-Lund |first1=Dr |title=Peder Oxe: et historisk billed |date=1907 |publisher=Schubotheske forlag |page=37 |url=https://books.google.com/books?id=AAsZAAAAYAAJ&dq=Peder+Oxe+%227+januar+1520%22&pg=PA37 |access-date=23 July 2023 |language=da}}
• January 30 – William More, English courtier (d. 1600){{cite ODNB |title=More, Sir Christopher|url=https://www.oxforddnb.com/display/10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-77080|year=2004 |access-date=24 July 2023 |language=en |doi=10.1093/ref:odnb/77080}}
• February 22 – Frederick III of Legnica, Duke of Legnica (d. 1570)
• March 3 – Matthias Flacius, Croatian Protestant reformer (d. 1575){{cite book |last1=Johnston |first1=Wade |title=The Devil behind the Surplice: Matthias Flacius and John Hooper on Adiaphora |date=16 January 2018 |publisher=Wipf and Stock Publishers |isbn=978-1-5326-1772-0 |page=19 |url=https://books.google.com/books?id=vlYXEAAAQBAJ&q=%223+march%22 |access-date=23 July 2023 |language=en}}
• June 29 – Nicolás Factor, Spanish artist (d. 1583){{cite book |last1=COMPANY |first1=Joaquin |title=Vida del B.Nicolás Factor de menores observantes |date=1787 |publisher=J.y T. de Orga |location=Valencia |page=3 |url=https://books.google.com/books?id=4HUJBETkakUC&dq=Nicol%C3%A1s+Factor+%2229+de+junio+de+1520%22&pg=PA3 |access-date=23 July 2023 |language=es}}
• July 27 – Gonzalo II Fernández de Córdoba, Governor of the Duchy of Milan (d. 1578){{cite book |last1=Béthencourt |first1=Francisco Fernández de |title=Historia genealógica y heráldica de la monarquía española: casa real y grandes de España |date=1907 |publisher=Estab. Tip. de Enrique Teodoro |page=93 |url=https://books.google.com/books?id=YplJAQAAMAAJ&dq=Gonzalo+Fern%C3%A1ndez+de+C%C3%B3rdoba+%2227+de+julio+de+1520%22&pg=PA93 |access-date=23 July 2023 |language=es}}
• August 1 – King Sigismund II Augustus of Poland (d. 1572){{cite book |last1=Przeździecki |first1=Aleksander |title=Jagiellonki polskie w XVI. wieku |date=1878 |volume=V|publisher=Nakładem Konstantego i Gustawa hr. Przezdzieckich |page=21 |url=https://books.google.com/books?id=EmtxyNpFxfsC&dq=Zygmunt+II+August+%221+sierpnia+1520%22&pg=PR161 |access-date=23 July 2023 |language=pl}}
• August 10 – Madeleine of Valois, queen of James V of Scotland (d. 1537){{cite book |last1=Panton |first1=James |title=Historical Dictionary of the British Monarchy |date=24 February 2011 |publisher=Scarecrow Press |isbn=978-0-8108-7497-8 |page=310 |url=https://books.google.com/books?id=BiyyueBTpaMC&dq=Madeleine+of+Valois+%2210+august+1520%22&pg=PA310 |access-date=23 July 2023 |language=en}}
• August 21 – Bartholomäus Sastrow, German official (d. 1603){{cite book |last1=Grote |first1=Ludwig |title=Bartholomäus Sastrow, ein merkwürdiger lebenslauf des sechszehnten jahrhunderts |date=1860 |publisher=J. Fricke |page=5 |url=https://books.google.com/books?id=GAtAAQAAMAAJ&dq=Bartholom%C3%A4us+Sastrow+%2221+august+1520%22&pg=PA5 |access-date=23 July 2023 |language=de}}
• August 31 – Heinrich Sudermann, German politician (d. 1591){{cite book |title=Rheinische Lebensbilder |date=1985 |volume=10|publisher=Gesellschaft für Rheinische Geschichtskunde |isbn=978-3-7927-0834-7 |page=32 |url=https://books.google.com/books?id=NsI_AAAAYAAJ&q=%20%2231%20august%201520%22 |access-date=23 July 2023 |language=de}}
• September 13 – William Cecil, 1st Baron Burghley, English statesman, chief advisor to Queen Elizabeth I (d. 1598){{cite book|title=The Encyclopedia Americana|url=https://books.google.com/books?id=2oIxAQAAIAAJ|year=1976|publisher=Americana Corporation|isbn=978-0-7172-0107-5|page=787}}
• October 7 – Alessandro Farnese, Italian cardinal (d. 1589){{cite book |last1=Robertson |first1=Clare |title=Il gran cardinale : Alessandro Farnese, patron of the arts |date=1992 |publisher=Yale University Press |location=New Haven |isbn=978-0-300-05045-5 |page=2 |url=https://archive.org/details/ilgrancardinalea0000robe/page/2/mode/2up?q=october |access-date=23 July 2023}}
• November 10 – Dorothea of Denmark, Electress Palatine, Princess of Denmark, Sweden and Norway (d. 1580){{cite book |last1=Allen |first1=Carl Ferdinand |title=De tre nordiske Rigers historie under Hans, Christiern II, Frederik I, Gustav Vasa, Grevefeiden: 1497-1536 |date=1867 |publisher=F. Hegel |location=Copenhagen |page=279 |url=https://books.google.com/books?id=hI5TAAAAcAAJ&dq=Dorothea+af+Danmark+%2210+november+1520%22&pg=PA279 |access-date=23 July 2023 |language=da}}
• December 6 – Barbara Radziwiłł, queen of Poland (d. 1551){{cite book |title=Pamiętnik powszechnego Zjazdu historyków polskich w Poznaniu |date=1935 |volume=6|publisher=Polskiego Towarzystwa Historycznego. |page=145 |url=https://books.google.com/books?id=ceLvAAAAMAAJ&q=%226%20grudnia%201520%22 |access-date=24 July 2023 |language=pl}}
• December 24 – Martha Leijonhufvud, politically active Swedish noble (d. 1584){{cite web |title=Märta Eriksdtr (Leijonhufvud) |url=https://sok.riksarkivet.se/sbl/Presentation.aspx?id=11172 |website=sok.riksarkivet.se |access-date=24 July 2023}}
• date unknown
• Patriarch Metrophanes III of Constantinople (d. 1580)
• Jean Ribault, French navigator (d. 1565){{cite book |last1=Lossing |first1=Benson John |title=Harper's Encyclopedia of United States History from 458 A. D. to 1909 |date=1905 |publisher=Harper & Brothers |isbn=978-0-598-77697-6 |page=429 |url=https://books.google.com/books?id=uMcqZEdLQMgC&dq=Jean+Ribault+%221520%22+dieppe&pg=PA429 |access-date=24 July 2023 |language=en}}
• Vincenzo Galilei, Italian music theorist, lutenist, and composer (d. 1591){{cite book |last1=Berger |first1=Karol |title=Theories of Chromatic and Enharmonic Music in Late Sixteenth Century Italy |date=1980 |publisher=UMI Research Press |isbn=978-0-8357-1065-7 |page=67 |url=https://books.google.com/books?id=ZXoHAQAAMAAJ&q=%20%221520%22 |access-date=24 July 2023 |language=en}}
• Aben Humeya, last independent king of Granada (d. 1568)
• Ijuin Tadaaki, Japanese nobleman (d. 1561)
• Agatha Streicher, German physician (d. 1581){{cite web |title=Streicher, Agatha |url=https://www.deutsche-biographie.de/101236657X.html |website=www.deutsche-biographie.de |access-date=24 July 2023 |language=de}}
• Katarina Bengtsdotter Gylta, Swedish abbess (d. 1593){{cite web |title=Katarina (Karin) Bengtsdotter (Gylta) |url=https://www.skbl.se/sv/artikel/KatarinaKarinBengtsdotterGylta |website=skbl.se |access-date=24 July 2023}}
• Johannes Acronius Frisius, German doctor and mathematician (d. 1564){{cite book |title=Index-catalogue of the Library of the Surgeon General's Office, United States Army (Army Medical Library): Authors and Subjects |date=1939 |publisher=U.S. Government Printing Office |page=15 |url=https://books.google.com/books?id=XD0iAQAAMAAJ&dq=Johannes+Acronius+Frisius+%221520%22&pg=PA15 |access-date=24 July 2023 |language=en}}
• probable
• Hans Eworth, Flemish portrait painter (d. 1574){{cite book |last1=Grady |first1=Caterine |last2=Lambion |first2=Emmanuel |title=Jonckheere |date=2000 |publisher=De Jonckheere |page=11 |url=https://books.google.com/books?id=oarqAAAAMAAJ&q=Hans+Eworth+%221520%22+guild+of+st.+luke |access-date=24 July 2023 |language=fr}}
• Katharina Gerlachin, German printer (d. 1592)
• Jorge de Montemor, Spanish novelist and poet (d. 1561){{cite book |last1=Barletta |first1=Vincent |last2=Bajus |first2=Mark L. |last3=Malik |first3=Cici |title=Dreams of Waking: An Anthology of Iberian Lyric Poetry, 1400–1700 |date=22 March 2013 |publisher=University of Chicago Press |isbn=978-0-226-01147-9 |page=193 |url=https://books.google.com/books?id=A10I2KG-YigC&dq=Jorge+de+Montemor+%221520%22&pg=PA193 |access-date=24 July 2023 |language=en}}
• Giovanni Battista Moroni, Italian mannerist painter (d. 1578){{cite web |title=Moroni, Giovanni [Giovan] Battista |url=https://www.oxfordartonline.com/groveart/display/10.1093/gao/9781884446054.001.0001/oao-9781884446054-e-7000059693 |website=Grove Art Online |access-date=24 July 2023 |language=en}}

File:Raffaello Sanzio.jpg]]

• January 10 – Jo Gwang-jo, Korean philosopher (b. 1482)
• February 3 – Sten Sture the Younger, Viceroy of Sweden (b. 1493){{cite book|title=The New Encyclopaedia Britannica|url=https://books.google.com/books?id=FFtYAAAAMAAJ|year=1998|publisher=Encyclopaedia Britannica|isbn=978-0-85229-663-9|page=333}}
• February 7 – Alfonsina de' Medici, née Orsini, Regent of Florence (b. 1472){{cite book |last1=Jong |first1=Jan L. de |title=Tombs in Early Modern Rome (1400–1600): Monuments of Mourning, Memory and Meditation |date=21 November 2022 |publisher=BRILL |isbn=978-90-04-52693-8 |page=19 |url=https://books.google.com/books?id=SMudEAAAQBAJ&dq=Alfonsina+Orsini+%227+february+1520%22&pg=PA19 |access-date=24 July 2023 |language=en}}
• April 6 – Raphael, Italian painter and architect (b. 1483){{cite book|author1=Martin Clayton|author2=Queen's Gallery|author3=Martin Postle|title=Raphael and His Circle: Drawings from Windsor Castle|url=https://books.google.com/books?id=8WpQAAAAMAAJ|year=1999|publisher=Merrell Holberton|isbn=978-1-85894-076-2|page=19}}
• May 22 – Jan Lubrański, Polish bishop (b. 1456){{cite book |last1=Uruski |first1=Seweryn |title=Rodzina: herbarz szlachty polskiej |date=1912 |publisher=Wydawn. Heroldium |isbn=978-83-86005-06-2 |page=200 |url=https://books.google.com/books?id=EwUMAQAAMAAJ&dq=Jan+Lubra%C5%84ski+%2222+maja+1520%22&pg=PA200 |access-date=24 July 2023 |language=pl}}
• June 24 – Hosokawa Sumimoto, Japanese samurai commander (b. 1489)
• June 29 – Moctezuma II, 9th Tlatoani (emperor) of the Aztecs, assassinated or possibly killed in a riot, 1502-1520 (b. 1466){{cite web|url=https://www.biografiasyvidas.com/biografia/m/moctezuma_ii.htm|title=Moctezuma II|publisher=Biografias y Vidas|language=es|access-date=June 1, 2019}}
• August 6 – Kunigunde of Austria, Archduchess of Austria (b. 1465){{cite book |last1=Scheglmann |first1=Alfons Maria |title=Geschichte der Säkularisation im rechtsrheinischen Bayern: ¬Die Säkularisation in Kurpfalzbayern während des Jahres 1802. 2 |date=1904 |publisher=Habbel |page=423 |url=https://books.google.com/books?id=hNRSAAAAcAAJ&dq=Kunigunde+von+%C3%96sterreich+%226+august+1520%22&pg=PA423 |access-date=24 July 2023 |language=de}}
• September 3 – Ippolito d'Este, Italian Catholic cardinal (b. 1479){{cite book |title=Milano sacro Almanacco: per l'anno |date=1821 |publisher=Agnelli |page=48 |url=https://books.google.com/books?id=Oq1jAAAAcAAJ&dq=Ippolito+d%27Este+%223+settembre+1520%22&pg=PA48 |access-date=24 July 2023 |language=it}}{{cite journal |last1=Lockwood |first1=Lewis |title=Adrian Willaert and Cardinal Ippolito I d'Este: new light on Willaert's early career in Italy, 1515–21 |journal=Early Music History |date=October 1985 |volume=5 |pages=85–112 |doi=10.1017/S026112790000067X |s2cid=190681116 |url=https://www.cambridge.org/core/journals/early-music-history/article/abs/adrian-willaert-and-cardinal-ippolito-i-deste-new-light-on-willaerts-early-career-in-italy-151521/670BC5C450F52A7917ED48C7FF972ED8 |access-date=24 July 2023 |language=en |issn=1474-0559|url-access=subscription }}
• September 22 – Selim I, Ottoman Sultan (b. 1470){{cite book|author1=Esin Atl|author2=Esin Atıl|author3=Arifi|title=Süleymanname: The Illustrated History of Süleyman the Magnificent|url=https://books.google.com/books?id=pPwgAQAAMAAJ|year=1986|publisher=National Gallery of Art|isbn=978-0-89468-088-5|page=238}}
• October – Cuitláhuac, 10th Tlatoani (emperor) of the Aztecs, 1520, brother of Moctezuma II, smallpox (b. c. 1476){{cite web|url=https://www.biografiasyvidas.com/biografia/c/cuitlahuac.htm|title=Cuitláhuac|publisher=Biografias y Vidas|language=es|access-date=June 1, 2019}}
• November 9 – Bernardo Dovizi, Italian Catholic cardinal (b. 1470){{cite book |last1=Dovizi |first1=Bernardo |title=La calandria commedia di Bernardo Dovizi da Bibbiena |date=1863 |publisher=Daelli |page=viii |url=https://books.google.com/books?id=hXxXATBxHNwC&dq=Bernardo+Dovizi+%229+novembre+1520%22&pg=PR8 |access-date=24 July 2023 |language=it}}
• date unknown
• Cacamatzin, king of Texcoco (altepetl) (modern Mexico) (b. 1483){{cite web|url=https://www.biografiasyvidas.com/biografia/i/ixtlilxochitl_ii.htm|title=Ixtlilxóchitl II|publisher=Biografias y Vidas|language=es|access-date=June 1, 2019}}
• Ratna Malla, first Raja of Kantipur{{cite book |last1=Aryal |first1=I. R. |last2=Dhungyal |first2=T. P. |title=A New History of Nepal |date=1970 |publisher=Voice of Nepal |page=62 |url=https://books.google.com/books?id=-nRuAAAAMAAJ&q=%20%221520%22 |access-date=24 July 2023 |language=en}}
• Visoun, king of Lan Xang (b. 1465){{cite book |last1=Simms |first1=Sanda |title=The Kingdoms of Laos |date=11 October 2013 |publisher=Routledge |isbn=978-1-136-86337-0 |page=54 |url=https://books.google.com/books?id=hSxTAQAAQBAJ&dq=Visoun+%221520%22&pg=PA54 |access-date=24 July 2023 |language=en}}
• Sheikh Hamdullah, Ottoman calligrapher (b. 1436){{cite book |last1=Derman |first1=M. Uğur |title=Letters in Gold: Ottoman Calligraphy from the Sakıp Sabancı Collection, Istanbul |date=1998 |publisher=Metropolitan Museum of Art |isbn=978-0-87099-873-7 |page=46 |url=https://books.google.com/books?id=xri9e8h7zIUC&dq=Sheikh+Hamdullah+%221520%22+istanbul&pg=PA46 |access-date=24 July 2023 |language=en}}
• Clara Tott, German court singer (b. 1440)
• probable – Filippo de Lurano, Italian composer (b. 1475){{cite web |title=Lurano [Luprano, Lorano], Filippo de |url=https://www.oxfordmusiconline.com/grovemusic/display/10.1093/gmo/9781561592630.001.0001/omo-9781561592630-e-0000017199 |website=Grove Music Online |access-date=24 July 2023 |language=en}}

{{Reflist}}

{{DEFAULTSORT:1520}}