1520 CE

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. 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. After wintering in Patagonia in Argentina, the Magellan expedition resumes its attempt to become the first crew to sail around the world.

In the 1520s, the 16th century.

Geopolitics & Diplomacy

  • 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 Goldguldensource
  • 6 March – Several members of the Swedish riksråd make peace with Christian II of Denmark and acknowledge him as Swedish monarch in Uppsala.Swedensource
  • May 7 – The semi-independent Duchy of Mecklenburg, in what is now Germany, is partitioned into two duchies, Mecklenburg-Schwerin and Mecklenburg-Strelitz.source
  • September 22 – Suleiman I succeeds his father Selim I as Sultan of the Ottoman Empire. He is officially crowned on September 30 and will rule until 1566.source
  • 1 November – Christian II formally elected monarch of Sweden.Swedensource
  • Duarte Barbosa returns to Cananor.source

Conflict & Security

  • 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.source
  • January - Danish invasion by Christian II of Denmark.Swedensource
  • 29 March - Swedish defeat at the Battle of Badelundaåsen.Swedensource
  • 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. 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.source
  • 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.source
  • 6 April - Swedish defeat outside Uppsala.Swedensource
  • 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.source
  • 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.source
  • June 10 – Revolt of the Comuneros: Segovia is blockaded.source
  • 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.source
  • July 7 – Otumba near Lake Texcaco: The Spaniards defeat the Aztecs.source
  • 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.source
  • 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.source
  • 5 September – The Siege of Stockholm is put to an end after a peace treaty between Christian II and Christina Gyllenstierna, were full amnesty are guaranteed all the participants in the Swedish rebellion against Denmark.Swedensource
  • September 7 – Christian II of Denmark makes his triumphant entry into Stockholm, which had surrendered to him a few days earlier. 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.source
  • 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.source
  • 7 November – The coronation festivities is interrupted with the arrest of those implicated in the deposition of Trolle. Participants in the rebellion in Denmark, the amnesty are circumvented as they are sentenced to death for heresy by participation in the deposition of an arch bishop.Swedensource
  • 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.source
  • 25 November – Gustav Vasa escape Stockholm for Dalarna. His adventurous escape is later made national legend, and includes the incident with Barbro Stigsdotter.Swedensource
  • December - A rebellion against the Danes by Klas Kyle in Småland fails.Swedensource

Exploration & Expansion

  • 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.source
  • May 22 – The Magellan expedition loses its first ship as the caravel Santiago is wrecked in a storm while sailing inland on Argentina's Santa Cruz Riversource
  • August 21 – After wintering in Patagonia in Argentina, the Magellan expedition resumes its attempt to become the first crew to sail around the world.source
  • 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.source
  • 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.source
  • 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. becoming the first Europeans to sail from the Atlantic Ocean to the Pacific (the strait is later named the Strait of Magellan).source

Religion & Belief

  • 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.source
  • October - Christian II introduces the right of his family to inherit the throne of Sweden. He also reinstate the deposed arch bishop Gustav Trolle.Swedensource
  • 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.source
  • 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.source

Technology & Infrastructure

  • King Manuel I creates the public mail service of Portugal, the Correio Público.source

Health & Medicine

  • November 25 – Cuauhtémoc becomes the last Aztec Emperor after the death from smallpox of the Emperor Cuitláhuac, who reigned for only 80 days.source

Crime & Justice

Climate & Environment

  • December - Gustav Vasa fail in persuading the peasantry to rebel against the Danes in his speech in Mora, and leaves Sweden for Norway.Swedensource

Culture & Society

  • March 10 – Thomas Howard, 3rd Duke of Norfolk becomes England's new Lord Deputy of Irelandsource
  • 31 May - Gustav Vasa return to Sweden at Kalmar.Swedensource
  • June 7 – King Henry VIII of England and King Francis I of France meet at the famous Field of the Cloth of Gold.source
  • August – Martin Luther publishes To the Christian Nobility of the German Nation.source
  • 7 September – The official entry of Christian II in Stockholm.Swedensource
  • October 23 – Charles V is crowned King of Germany in Aachen.source
  • November 1 – Christian II is crowned king of Sweden in Nikolai Church. The coronation is followed by a three-day feast in Stockholm.source
  • 4 November – Coronation of Christian II in Stockholm by Gustav Trolle. Sören Norby, Berend von Mehlen and Otto Krumpen is knighted.Swedensource
  • Aleksandra Lisowska (Roxelana) is given as a gift to Suleiman I on the occasion of his accession to the throne.source

Births

  • January 7 – Peder Oxe, Danish finance minister (died 1575)source
  • January 30 – William More, English courtier (died 1600)source
  • February 22 – Frederick III of Legnica, Duke of Legnica (died 1570)source
  • March 3 – Matthias Flacius, Croatian Protestant reformer (died 1575)source
  • 31 May– Dorothea of Denmark, Electress Palatine, princess (died 1580)Swedensource
  • June 29 – Nicolás Factor, Spanish artist (died 1583)source
  • July 27 – Gonzalo II Fernández de Córdoba, Governor of the Duchy of Milan (died 1578)source
  • August 1 – King Sigismund II Augustus of Poland (died 1572)source
  • August 10 – Madeleine of Valois, queen of James V of Scotland (died 1537)source
  • August 10 - Madeleine of Valois, third daughter of King Francis I and Queen of Scotland (d.1537)Francesource
  • August 21 – Bartholomäus Sastrow, German official (died 1603)source
  • September 13 – William Cecil, 1st Baron Burghley, English statesman, chief advisor to Queen Elizabeth I (died 1598)source
  • October 7 – Alessandro Farnese, Italian cardinal (died 1589)source
  • November 10 – Dorothea of Denmark, Electress Palatine, Princess of Denmark, Sweden and Norway (died 1580)source
  • December 6 – Barbara Radziwiłł, queen of Poland (died 1551)source
  • December 24 – Martha Leijonhufvud, politically active Swedish noble (died 1584)source
  • 24 December – Martha Leijonhufvud, politically active noble and landholder (died 1584)Swedensource
  • Appayya Dikshitar, performer of yajñas is born at Adayapalam, in the Tiruvannamalai district (dies 1593)Indiasource

Deaths

  • January 10 – Cho Kwangjo, Korean philosopher (born 1482)source
  • February 3 – Sten Sture the Younger, Viceroy of Sweden (born 1493)source
  • 3 February – Sten Sture the Younger, regent (born 1493)Swedensource
  • 3 February – Sten Sture the Younger dies. Danish troops takes Västerås. Sture's widow Christina Gyllenstierna takes command of the city of Stockholm as the head of the Sture party. Anna Eriksdotter (Bielke) take command of the city of Kalmar.Swedensource
  • February 7 – Alfonsina de' Medici, née Orsini, Regent of Florence (born 1472)source
  • April 6 – Raphael, Italian painter and architect (born 1483)source
  • May 22 – Jan Lubrański, Polish bishop (born 1456)source
  • June 24 – Hosokawa Sumimoto, Japanese samurai commander (born 1489)source
  • June 29 – Moctezuma II, 9th Tlatoani (emperor) of the Aztecs, assassinated or possibly killed in a riot, 1502-1520 (born 1466)source
  • June 29 – Moctezuma II, Aztec ruler of Tenochtitlan, is assassinated by other Aztec leaders as he attempts to address his people. His brother Cuitláhuac rises to the throne.source
  • August 6 – Kunigunde of Austria, Archduchess of Austria (born 1465)source
  • September 3 – Ippolito d'Este, Italian Catholic cardinal (born 1479)source
  • September 22 – Selim I, Ottoman Sultan (born 1470)source
  • October – Cuitláhuac, 10th Tlatoani (emperor) of the Aztecs, 1520, brother of Moctezuma II, smallpox (born c. 1476)source
  • November 9 – Bernardo Dovizi, Italian Catholic cardinal (born 1470)source
  • Sheikh Hamdullah, Ottoman calligrapher (born 1436)source
  • Henri Estienne, Parisian printer.(b.1460 or 1470)Francesource
  • Ulick Óge Burke, 8th lord of ClanricardeIrelandsource