* 1521 – Ferdinand Magellan arrives at Cebu.

Though he participated at the Diet of Worms, April 1521, he never saw or spoke with Martin Luther.

Martin Luther's powerful testimony of faith at the Diet of Worms in 1521 made an indelible impression upon his mind, and the vigorous sermons of evangelical preachers in the pulpits of St. Lawrence and St. Sebald in Nuremberg, during the diet there in 1522, deepened the impression.

In 1521 Luther was outlawed at the Diet of Worms.

* 1521 – Spanish forces defeat a combined French and Navarrese army at the Battle of Noáin during the Spanish conquest of Iberian Navarre.

In the 1910 census, Peter and Elizabeth Weisenmüller as well as John and Eva Ott were living at 1521 Cleveland Ave in the 22nd Ward of Chicago, with sons John, age six, born in Temesvár and Peter Jr., age five, born in Illinois.

* 1521 – Ferdinand Magellan arrives at Guam.

Robert Smith, who ran for a team record ( and NFC best ) 1521 yards that season, retired at the end of the year after only playing eight NFL seasons.

Throughout his life he remained one of Luther's most determined supporters ; he was with him at the Leipzig conference ( 1519 ), and the Diet of Worms ( 1521 ); and was in the secret of his Wartburg seclusion.

A notable wielder of the kampílan was Datu Lapu-Lapu, the Muslim king of Mactan and his warriors who defeated the Spaniards and killed Portuguese explorer Ferdinand Magellan at the Battle of Mactan on 27 April 1521.

* July 16 – Anne Askew, English Protestant ( burned at the stake ) ( b. 1521 )

Tyndale became chaplain to the house of Sir John Walsh at Little Sodbury and tutor to his children in about 1521.

In May 1521 a treaty of alliance was signed at Rome between him and the emperor.

* November 10 – Richard Chancellor, English Arctic explorer ( drowned at sea ) ( b. c. 1521 )

At the end of Bolkiah's reign, in 1521, the first Europeans visited Brunei when Ferdinand Magellan's expedition arrived at the port.

Modern scholars still debate on whether or not the Ming Dynasty really had sovereignty over Tibet at all, as some believe it was a relationship of loose suzerainty which was largely cut off when the Jiajing Emperor ( ruled in 1521 – 67 ) persecuted Buddhism in favor of Daoism at court and some scholars argue that the significant religious nature of the relationship of the Ming court with Tibetan lamas is underrepresented in modern scholarship.

Felice Peretti was born on December 13, 1521 at Grottammare, in the Papal States, to Pier Gentile ( also known as Peretto Peretti ), and Marianna da Frontillo.

Antichristus ( 1521 ) by Lucas Cranach the Elder is a woodcut of the Papal States at war during the Renaissance. During this period the city of Avignon itself was added to the Papal States ; it remained a papal possession even after the popes returned to Rome, being seized and incorporated into the by then unitary French state only during the French Revolution.

April 23 is designated Castile and León Day, commemorating the defeat of the comuneros at the Battle of Villalar during the Revolt of the Comuneros, in 1521.

He was sent in 1521 to the preceptory of that order at Freiburg in Breisgau, ordained a priest at Basel, and in 1522 was placed in charge of the preceptory at Bubikon ( north of Rapperswil ( SG ), in the canton of Zürich ).

From May 1521 until March 1522, Martin Luther stayed at the castle, after he had been taken there for his safety at the request of Frederick the Wise following his excommunication by Pope Leo X and his refusal to recant at the Diet of Worms.

* 1521 – Martin Luther's first appearance before the Diet of Worms to be examined by the Holy Roman Emperor Charles V and the other estates of the empire.

* 1521 – Trial of Martin Luther begins its second day during the assembly of the Diet of Worms.

* 1521 – Trial of Martin Luther over his teachings begins during the assembly of the Diet of Worms.

* 1521 – The Diet of Worms begins, lasting until May 25.

* 1521 – The Diet of Worms ends when Charles V, Holy Roman Emperor, issues the Edict of Worms, declaring Martin Luther an outlaw.

* Diet of Worms ( 1521 ), where Martin Luther was declared a heretic.

As was only to be expected, the edict by the Diet of Worms ( 1521 ) prohibited all innovations.

As Holy Roman Emperor, Charles called Martin Luther to the Diet of Worms in 1521, promising him safe conduct if he would appear.

At their urging, while traveling in Germany in 1521, he made himself present at the Diet of Worms to hear Martin Luther speak.

The Diet of Worms 1521 (, ) was a diet ( a formal deliberative assembly, specifically an Imperial Diet ) that took place in Worms, Germany, and is most memorable for the Edict of Worms ( Wormser Edikt ), which addressed Martin Luther and the effects of the Protestant Reformation.

Unqualified mentions of a Diet of Worms usually refer to the 1521 assembly.

Emperor Charles V commenced the Imperial Diet of Worms on 28 January 1521.

Since Luther ’ s posting of his 95 Theses and the Diet of Worms of 1521 creed, reformation and uprisings had become the dominating issues of domestic politics.

On 19 April a majority decided to rescind the Imperial resolution of the last Diet in 1526 and to reconfirm the Edict of Worms, passed by the Diet of Worms in 1521, imposing the Imperial ban on Luther and his followers.

* Edict of Worms ( 1521 ), by the Diet of Worms, with Holy Roman Emperor Charles V presiding.

Frederick was Pope Leo X's candidate for Holy Roman Emperor in 1519 — the pope had awarded him the Golden Rose of virtue on 3 September 1518 — but he helped secure the election of Charles V. Frederick ensured Luther would be heard before the Diet of Worms in 1521 and subsequently secured an exemption from the Edict of Worms for Saxony.

The first meeting of Philip of Hesse with Martin Luther took place in 1521 at the Diet of Worms, where he was attracted by the Luther's personality, though he had at first little interest in the religious elements of the gathering.

In his anger he appealed to force, and his Epistola ad Carolum V ( 18 February 1521 ) called on the emperor to take measures against Luther, an appeal soon answered by the Edict of Worms ( May 1521 ).

In a letter written from Worms in 1521, Luther calls him his " gossip ", warmly alluding to his " Gevatterin ", the artist's wife.

de: Reichstag zu Worms ( 1521 )