Final answer:
The famous event that took place in Worms, Germany was the Diet of Worms in 1521. At the Diet, Martin Luther refused to recant his teachings, leading to his excommunication from the Catholic Church and the spread of Protestantism.
Step-by-step explanation:
The famous event that took place in Worms, Germany was the Diet of Worms in 1521. The Diet of Worms was a meeting of the Holy Roman Emperor, Charles V, with Martin Luther, the leader of the Protestant Reformation. At the Diet, Luther was called to recant his teachings, but he refused, leading to his excommunication from the Catholic Church. This event was a turning point in religious and political history, as it sparked the spread of Protestantism and challenged the authority of the Catholic Church.