familyIntroductionYear

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: familyIntroductionYear

Indicates the year in which a particular family (e.g., of products, organisms, or items) was first introduced, established, or formally recognized.