Frederick convokes a general Diet of the…

1236 CE

Frederick convokes a general Diet of the Empire at Piacenza in 1236 to force Italian cooperation, then annexes church lands, prompting his third excommunication and a renewal of the war between Empire and Papacy.

Locations
Piacenza Emilia-Romagna Italy View →

People
Frederick II View → Pope Gregory IX View →

Groups
Papal States (Republic of St. Peter) View → Italy, Kingdom of (Holy Roman Empire) View → Holy Roman Empire View → Christians, Roman Catholic View → Lombard League View → Sicily, Hohenstaufen Kingdom of View →

Topics
Crusades, The View → Guelphs and Ghibellines View → Holy Roman Empire-Papacy War of 1228-43 View →

Commodities
Weapons View →

Subjects
Commerce View → Labor and Service View → Conflict View → Faith View → Government View → Custom and Law View → Technology View →

Regions

Subregions

Related Events

Active Filters
People: Roger II of Sicily
Topic: Great Plague of London
Location: Den Helder Noord-Holland Netherlands
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