The Holy Roman Empire was founded on December 25, 800 AD, when Pope Leo III crowned Charlemagne as Emperor of the Romans.

Charlemagne was the first Holy Roman Emperor, crowned by Pope Leo III on December 25, 800 AD.

The Habsburg Dynasty ruled the Holy Roman Empire from 1438 to 1806, a period of over 350 years.

Latin was the official language of the Holy Roman Empire, used in official documents and communications.

Nuremberg was the unofficial capital of the Holy Roman Empire, where the Imperial Diets were held.

Roman Catholicism was the dominant religion in the Holy Roman Empire, although other religions were also practiced.

The Holy Roman Empire was dissolved in 1806 during the Napoleonic Wars, when Emperor Francis II abdicated.

Martin Luther's Ninety-Five Theses in 1517 sparked the Protestant Reformation, challenging the authority of the Holy Roman Emperor.

The Peace of Westphalia ended the devastating Thirty Years' War and established the principle of cuius regio, eius religio (whose realm, his religion).

Charles V, also known as Charles I of Spain, ruled both the Holy Roman Empire and the Spanish Empire during the 16th century.

The Golden Bull of 1356 established the electoral process for the Holy Roman Emperor, specifying the seven electors who would choose the emperor.

Nuremberg became a prominent center of the Renaissance in the Holy Roman Empire, known for its art, science, and printing.

The Thirty Years' War was a devastating religious war that took place in the Holy Roman Empire from 1618 to 1648.

Joseph II, also known as Joseph II of Austria, was an enlightened despot who attempted to centralize power and implement reforms in the Holy Roman Empire.