Claim: Walter Häfner, a former West German pair skater, ranked sixth in the '66-'67 season of both World Figure Skating Championships and European Figure Skating Championships
Evidence: 4th European Champ. The European Figure Skating Championships (also called "Europeans") is an annual figure skating competition in which figure skaters compete for the title of European champion. 
4th World Championships The World Figure Skating Championships ("Worlds") is an annual figure skating competition sanctioned by the International Skating Union.