The History of Schutzhund/IPO By buttressk Apr 7, 1957 American Schutzhund Began Apr 7, 1958 Frist US member group of Schutzhund was formed Apr 7, 1963 Frist US Schutzhund Trail was Held No tracking was involved in the competition. Apr 7, 1972 Trails began being held under GSDCA Apr 7, 1975 GSDCA Decieded not to be apart of the sport Workings dogs were not common in the United States. Nov 21, 1975 USCA became the ppremier Schuzhund organization 6 full member clubs were formed Apr 7, 1977 First National Championship held by USCA Apr 7, 1977 First Dog sent to "Worlds" Apr 7, 1981 USCA Introduced North American Championship Tracking was introduced to the competion. Apr 7, 1990 Introduction of Sieger Show Apr 7, 2000 First All German Shepherd National IPO3 Apr 7, 2013 200 Full member clubs