<P> The team has captured 47 conference titles , including 14 in a row between 1946 -- 59 , eight divisional titles , and seven claimed national championships : 1950 , 1955 , 1956 , 1974 , 1975 , 1985 , 2000 . In addition to the seven claimed national titles the NCAA also recognizes 10 others : 1915 , 1949 , 1953 , 1957 , 1967 , 1973 , 1978 , 1980 , 1986 , and 2003 . </P>
when was the last time oklahoma won a national championship in football
2000