establishedAsSignoria

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: establishedAsSignoria

Indicates that an entity was instituted or set up as a signoria, i.e., a governing lordship or ruling authority over a city or territory.