fieldEstablished

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: fieldEstablished

Indicates that a particular field, area, or domain has been formally created, set up, or brought into existence at a specific time or by a specific agent.