The Diet of Nuremberg is often called the Imperial Diet at Nuremberg

Nuremberg

Nuremberg[p] is a city in the German state of Bavaria, in the administrative region of Middle Franconia. Situated on the Pegnitz river and the Rhine–Main–Danube Canal, it is located about north of Munich and is Franconia's largest city. The population is 505,664...

.

There were several of them because, according to the Golden Bull of 1356

Golden Bull of 1356

The Golden Bull of 1356 was a decree issued by the Reichstag assembly in Nuremberg headed by the Luxembourg Emperor Charles IV that fixed, for a period of more than four hundred years, important aspects of the constitutional structure of the Holy Roman Empire...

, each Holy Roman Emperor

Holy Roman Emperor

The Holy Roman Emperor is a term used by historians to denote a medieval ruler who, as German King, had also received the title of "Emperor of the Romans" from the Pope...

 had to hold his first diet

Diet (assembly)

In politics, a diet is a formal deliberative assembly. The term is mainly used historically for the Imperial Diet, the general assembly of the Imperial Estates of the Holy Roman Empire, and for the legislative bodies of certain countries.-Etymology:...

 in Nuremberg after his election. There were also a number of other diets held.

1211 elected the future emperor Frederick II of Hohenstaufen

Frederick II, Holy Roman Emperor

Frederick II , was one of the most powerful Holy Roman Emperors of the Middle Ages and head of the House of Hohenstaufen. His political and cultural ambitions, based in Sicily and stretching through Italy to Germany, and even to Jerusalem, were enormous...

 German king.

1356 Charles IV

Charles IV, Holy Roman Emperor

Charles IV , born Wenceslaus , was the second king of Bohemia from the House of Luxembourg, and the first king of Bohemia to also become Holy Roman Emperor....

 issued his Golden Bull - regulating the election of Holy Roman Emperors.

Important to Protestantism

Protestantism

Protestantism is one of the three major groupings within Christianity. It is a movement that began in Germany in the early 16th century as a reaction against medieval Roman Catholic doctrines and practices, especially in regards to salvation, justification, and ecclesiology.The doctrines of the...

 (and the Turks) were the:

1522 - 1st Diet of Nuremberg

1524 - 2nd Diet of Nuremberg

1532 - 3rd Diet of Nuremberg

1522 Diet of Nuremberg

This Diet has become known mostly for the reaction of the papacy to the decision made on Luther

Martin Luther

Martin Luther was a German priest, professor of theology and iconic figure of the Protestant Reformation. He strongly disputed the claim that freedom from God's punishment for sin could be purchased with money. He confronted indulgence salesman Johann Tetzel with his Ninety-Five Theses in 1517...

 at the Diet of Worms

Diet of Worms

The Diet of Worms 1521 was a diet that took place in Worms, Germany, and is most memorable for the Edict of Worms , which addressed Martin Luther and the effects of the Protestant Reformation.It was conducted from 28 January to 25 May 1521, with Emperor Charles V presiding.Other Imperial diets at...

 the previous year. The new pope, Adrian VI, sent his nuncio Chieregati to the Diet, to insist both that the edict of Worms be executed, and that action be taken promptly against Luther. This demand, however, was coupled with a promise of thorough reform in the Roman hierarchy, and openly admitted the partial guilt of the Vatican in the decline of the Church.

In the recess drafted on 9 February 1523, however, the German princes rejected this appeal. Using Adrian's admissions, they declared that they could not have it appear 'as though they wished to oppress evangelical truth and assist unchristian and evil abuses.'

1524 Diet of Nuremberg

This Diet generally took the same line as the previous Diet. The Estates reiterated their decision from the previous Diet. The Cardinal-legate, Campeggio, who was present, showed his disgust at the behaviour of the Estates. On 18 April, the Estates decided to call 'a general gathering of the German nation', to meet at Speyer the following year, and to decide what would be done until the meeting of the general council of the Church which they demanded.