The document covers the history and development of the Society of St. Pius X (SSPX) from 1970 to 2010, highlighting significant events, statistics, and individuals involved in the organization. It mentions key figures such as Archbishop Marcel Lefebvre and notable activities like missionary work, seminary establishment, and ecclesiastical events spanning various countries. By 2010, the SSPX had grown to include over 500 priests, showcasing its expansion and outreach efforts worldwide.