Civitan International is a worldwide volunteer organization founded in 1917 with over 1,000 clubs across 30 countries. Its mission is to build good citizenship by providing volunteer services with an emphasis on helping people with developmental disabilities. Clubs focus on community service projects and fundraising to support the Civitan International Research Center, which conducts research on developmental disabilities. The document provides details on Civitan club structure, operations, programs, and opportunities for membership and involvement.