Wigan (1970), Northwich Victoria (1976), Dagenham (1984), Sutton United (1987) and Burton Albion (2005) were the Posh giant-killers.

Sutton are the only non-league side to have won at London Road.

Match Preview:
Hornchurch v Peterborough United, 2pm, Sunday, 9 November, FA Cup, First round
-----------------

Full record

1960-61
1st round (away) Dover W4-1 (Emery 2, Bly, Ripley).

1962-63
2nd round (home) Enfield W1-0 (Hudson).

1964-65
1st round (home) Salisbury W5-1 (Dougan 3, Deakin, Crowe).

1965-66
1st round (home) Kidderminster W2-1 (Deakin 2).

1966-67
1st round (home) Hereford W4-1 (Byrne, Conmy, Fairbrother, og).
3rd round (away) Bedford W6-2 (Watson 3, Fairbrother, Conmy, Orr).

1967-68
1st round (home) Falmouth W5-2 (Fairbrother 3, Brace, Byrne).
2nd round (away) Margate W4-0 (Conmy, Deakin, Thompson, Brace).

1969-70
1st round (away) Falmouth W4-1 (Hall 2, Price, Robson).

1970-71
1st round (home) Wimbledon W3-1 (Hall, Garwood, Moss).
2nd round (away) Wigan L1-2 (Moss).

1971-72
1st round (away) Redditch D1-1 (Price).
1st round (home) Redditch W6-0 (Hall 2, Barker 2, Robson, Price).
2nd round (home) Enfield W4-0 (Price 2, Hall 2).

1972-73
2nd round (away) Bishop's Stortford D2-2 (Cozens, Robson).
2nd round (home) Bishop's Stortford W3-1 (Heath, Hall, Robson).

1973-74
2nd round (away) Wycombe W3-1 (Cozens 2, Hall).

1974-75
1st round (home) Weymouth D0-0.
1st round (away) Weymouth D3-3 (Turner, Gregory, Llewelyn).
1st round (home) Weymouth W3-0 (Gregory 2, Turner).
4th round (away) Stafford Rangers W2-1 (Gregory, Nixon).

1975-76
1st round (home) Winsford W4-1 (Gregory, Nixon, Turner, Cozens).
2nd round (away) Coventry Sporting Club W4-0 (Nixon, Hughes, Jones og).

1976-77
2nd round (away) Northwich Victoria L1-4 (Nixon).

1977-78
1st round (away) Barnet W2-1 (Slough, Robson).

1980-81
2nd round (away) Barnet W1-0 (Robson).

1984-85
2nd round (away) Dagenham L0-1.

1985-86
1st round (away) Bishop's Stortford D2-2 (Worrall, og).
1st round (home) Bishop's Stortford W3-1 (Kowalski, Gallagher, Cassidy).
2nd round (home) Bath W1-0 (Gallagher).

1987-88
1st round (home) Sutton L1-3 (Lawrence).

1989-90
1st round (home) Hayes D1-1 (Sterling),
1st round (away) Hayes W1-0 (Robinson).

1991-92
1st round (home) Harlow W7-0 (Cooper 2, Riley, Sterling, Halsall, Charlery, Culpin).

1992-93
1st round (away) Kingstonian D1-1 (Adcock).
1st round (home) Kingstonian W1-0 (Sterling).

1995-96
2nd round (home) Bognor Regis W4-0 (Farrell 3, Ebdon).

1996-97
1st round (home) Cheltenham D0-0.
1st round (away) Cheltenham W3-1 (Charlery 2, Grazioli).
2nd round (away) Enfield D1-1 (Charlery).
2nd round (home) Enfield W4-1 (Carruthers 2, Charlery, Houghton).

1997-98
2nd round (home) Dagenham & R W3-2 (Quinn 2, Carruthers).

2001-02
1st round (away) Bedford D0-0.
1st round (home) Bedford W2-1 (Clarke, Fenn).

2003-04
1st round (home) Hereford W2-0 (Willock (right), Logan).

2004-05
2nd round (home) Bath W2-0 (Willock 2).

2005-06
1st round (home) Burton D0-0.
1st round (away) Burton L0-1.

2007-08
2nd round (away) Staines W5-0 (Mackail-Smith 4, Mclean).