| RETURN TO LEAGUE LISTING | |||||||||||
| Year | Division | Home | Away | Date | Win | Draw | Loss | Gills Gls | Away Gls | ||
| 1996/1997 | English Division 2 | Gillingham | 2-1 | Peterborough United | 22/02/1997 | 1 | 0 | 0 | 2 | 1 | |
| English Division 2 | Peterborough United | 0-1 | Gillingham | 19/11/1996 | 1 | 0 | 0 | 1 | 0 | ||
| 1990/1991 | English Division 4 | Peterborough United | 2-0 | Gillingham | 16/04/1991 | 0 | 0 | 1 | 0 | 2 | |
| English Division 4 | Gillingham | 2-3 | Peterborough United | 26/02/1991 | 0 | 0 | 1 | 2 | 3 | ||
| 1989/1990 | English Division 4 | Gillingham | 0-0 | Peterborough United | 06/03/1990 | 0 | 1 | 0 | 0 | 0 | |
| English Division 4 | Peterborough United | 1-1 | Gillingham | 30/09/1989 | 0 | 1 | 0 | 1 | 1 | ||
| 1978/1979 | English Division 3 (old) | Gillingham | 1-0 | Peterborough United | 03/03/1979 | 1 | 0 | 0 | 1 | 0 | |
| English Division 3 (old) | Peterborough United | 1-1 | Gillingham | 21/10/1978 | 0 | 1 | 0 | 1 | 1 | ||
| 1977/1978 | English Division 3 (old) | Gillingham | 0-0 | Peterborough United | 25/03/1978 | 0 | 1 | 0 | 0 | 0 | |
| English Division 3 (old) | Peterborough United | 1-1 | Gillingham | 27/12/1977 | 0 | 1 | 0 | 1 | 1 | ||
| 1976/1977 | English Division 3 (old) | Gillingham | 1-1 | Peterborough United | 22/03/1977 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 (old) | Peterborough United | 0-1 | Gillingham | 06/11/1976 | 1 | 0 | 0 | 1 | 0 | ||
| 1975/1976 | English Division 3 (old) | Peterborough United | 1-1 | Gillingham | 31/03/1976 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 (old) | Gillingham | 2-2 | Peterborough United | 20/12/1975 | 0 | 1 | 0 | 2 | 2 | ||
| 1974/1975 | English Division 3 (old) | Peterborough United | 0-0 | Gillingham | 15/03/1975 | 0 | 1 | 0 | 0 | 0 | |
| English Division 3 (old) | Gillingham | 1-1 | Peterborough United | 28/09/1974 | 0 | 1 | 0 | 1 | 1 | ||
| 1973/1974 | English Division 4 | Peterborough United | 4-2 | Gillingham | 01/05/1974 | 0 | 0 | 1 | 2 | 4 | |
| English Division 4 | Gillingham | 1-0 | Peterborough United | 03/04/1974 | 1 | 0 | 0 | 1 | 0 | ||
| 1972/1973 | English Division 4 | Peterborough United | 0-1 | Gillingham | 24/04/1973 | 1 | 0 | 0 | 1 | 0 | |
| English Division 4 | Gillingham | 2-0 | Peterborough United | 23/12/1972 | 1 | 0 | 0 | 2 | 0 | ||
| 1971/1972 | English Division 4 | Gillingham | 1-1 | Peterborough United | 03/04/1972 | 0 | 1 | 0 | 1 | 1 | |
| English Division 4 | Peterborough United | 2-1 | Gillingham | 25/09/1971 | 0 | 0 | 1 | 1 | 2 | ||
| 1967/1968 | English Division 3 (old) | Peterborough United | 3-0 | Gillingham | 20/04/1968 | 0 | 0 | 1 | 0 | 3 | |
| English Division 3 (old) | Gillingham | 3-2 | Peterborough United | 25/11/1967 | 1 | 0 | 0 | 3 | 2 | ||
| 1966/1967 | English Division 3 (old) | Gillingham | 2-2 | Peterborough United | 05/10/1966 | 0 | 1 | 0 | 2 | 2 | |
| English Division 3 (old) | Peterborough United | 2-0 | Gillingham | 05/09/1966 | 0 | 0 | 1 | 0 | 2 | ||
| 1965/1966 | English Division 3 (old) | Gillingham | 1-1 | Peterborough United | 29/01/1966 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 (old) | Peterborough United | 1-0 | Gillingham | 21/08/1965 | 0 | 0 | 1 | 0 | 1 | ||
| 1964/1965 | English Division 3 (old) | Peterborough United | 1-0 | Gillingham | 28/04/1965 | 0 | 0 | 1 | 0 | 1 | |
| English Division 3 (old) | Gillingham | 2-0 | Peterborough United | 26/03/1965 | 1 | 0 | 0 | 2 | 0 | ||
| 1960/1961 | English Division 4 | Peterborough United | 2-0 | Gillingham | 18/02/1961 | 0 | 0 | 1 | 0 | 2 | |
| English Division 4 | Gillingham | 4-4 | Peterborough United | 01/10/1960 | 0 | 1 | 0 | 4 | 4 | ||
| Year | Competition | Home | Away | Date | Win | Draw | Loss | Gills Gls | Away Gls | ||
| 1997/1998 | AM Cup 1st Rd South | Gillingham | 0-1 | Peterborough United | 09/12/1997 | 0 | 0 | 1 | 0 | 1 | |
| 1988/1989 | FA Cup 1st Rd Replay | Peterborough United | 1-0 | Gillingham | 23/11/1988 | 0 | 0 | 1 | 0 | 1 | |
| FA Cup 1st Rd | Gillingham | 3-3 | Peterborough United | 19/11/1988 | 0 | 1 | 0 | 3 | 3 | ||
| 1977/1978 | FA Cup 2nd Rd Replay | Peterborough United | 2-0 | Gillingham | 20/12/1977 | 0 | 0 | 1 | 0 | 2 | |
| FA Cup 2nd Rd | Gillingham | 1-1 | Peterborough United | 17/12/1977 | 0 | 1 | 0 | 1 | 1 | ||
| 1969/1970 | FA Cup 4th Rd | Gillingham | 5-1 | Peterborough United | 24/01/1970 | 1 | 0 | 0 | 5 | 1 | |