1906 college football season
Although there was no clear cut national championship , there were two teams that had won all nine of their games as the 1906 season drew to a close , the Princeton Tigers and the Yale Bulldogs , and on November 17 , 1906 , they played to a 0–0 tie . 
<triplet> Princeton Tigers <subj> 1906 <obj> point in time <triplet> Yale Bulldogs <subj> 1906 <obj> point in time