Gotofredo da Castiglione (sometimes given as Gotofredo II to distinguish him from Gotofredo I, Archbishop of Milan

Gotofredo I, Archbishop of Milan

Gotofredo I was the Archbishop of Milan from 974 until his death.Gotofredo first appears as Gotefredus clericus ac notarius of Archbishop Walpert in July 962, when he was at San Salvatore di Tolla nel Piacento...

) was an Italian antibishop (1070–1075) appointed by Henry IV, Holy Roman Emperor

Henry IV, Holy Roman Emperor

Henry IV was King of the Romans from 1056 and Holy Roman Emperor from 1084 until his forced abdication in 1105. He was the third emperor of the Salian dynasty and one of the most powerful and important figures of the 11th century...

 to the office of Bishop of Milan. This began the Investiture Controversy

Investiture Controversy

The Investiture Controversy or Investiture Contest was the most significant conflict between Church and state in medieval Europe. In the 11th and 12th centuries, a series of Popes challenged the authority of European monarchies over control of appointments, or investitures, of church officials such...

, whereby Pope St. Gregory VII excommunicated Gotofredo over the issue of lay investiture.

Gotofredo was eventually recanted as bishop after the Walk to Canossa

Walk to Canossa

The Walk to Canossa refers to both the trek itself of Henry IV of the Holy Roman Empire from Speyer to the fortress at Canossa in Emilia Romagna and to the events surrounding his journey, which took place in and around January 1077.-Historical background:When, in his early...

in 1077.