April 30 – At the Baltimore Arena in Baltimore, Maryland. Superstar Billy Graham used both feet on the ropes to pin Bruno Sammartino to become the World Wide Wrestling Federation Heavyweight Champion.
Royal Duncan and Gary Will (2006). "Mexico: EMLL NWA World Light Heavyweight Title". Wrestling Title Histories (4thed.). Archeus Communications. p.389. ISBN0-9698161-5-4.
Duncan, Royal; Will, Gary (2006). "Mexico: EMLL NWA World Light Heavyweight Title [Lutteroth]". Wrestling title histories: professional wrestling champions around the world from the 19th century to the present (4thed.). Archeus Communications. p.389. ISBN0-9698161-5-4.
Royal Duncan and Gary Will (2000). "Mexico: National Lightweight Title". Wrestling Title Histories. Pennsylvania: Archeus Communications. p.393. ISBN0-9698161-5-4.