[['district', 'vacator', 'reason for change', 'successor', 'date successor seated'], ['tennessee 8th', 'robert a everett (d)', 'died january 26 , 1969', 'ed jones (d)', 'march 25 , 1969'], ['massachusetts 6th', 'william h bates (r)', 'died june 22 , 1969', 'michael j harrington (d)', 'september 30 , 1969'], ['illinois 6th', 'daniel j ronan (d)', 'died august 13 , 1969', 'george w collins (d)', 'november 3 , 1970'], ['california 24th', 'glenard p lipscomb (r)', 'died february 1 , 1970', 'john h rousselot (r)', 'june 30 , 1970'], ['california 35th', 'james b utt (r)', 'died march 1 , 1970', 'john g schmitz (r)', 'june 30 , 1970'], ['connecticut 2nd', 'william st onge (d)', 'died may 1 , 1970', 'robert h steele (r)', 'november 3 , 1970'], ['ohio 19th', 'michael j kirwan (d)', 'died july 27 , 1970', 'charles j carney (d)', 'november 3 , 1970'], ['pennsylvania 9th', 'george watkins (r)', 'died august 7 , 1970', 'john h ware iii (r)', 'november 3 , 1970'], ['illinois 1st', 'william l dawson (d)', 'died november 9 , 1970', 'vacant', 'not filled this term']]
Connecticut 2nd , Ohio 19th and Pennsylvania 9th had Successor Seated on the same day
[ENT] , [ENT] and [ENT] had [ENT] on the same day