| Former Iron players born on this day: Lewis Wainwright (1930), Jimmy Mann (1952), Alan O’Meara (1958), James Quinn (1974). |
The Iron booked an FA Cup third round trip to Chelsea with a 3-0 second round replay win over Leyton Orient On This Day in 2015.
After a 0-0 draw in the original game, neither side could break the deadlock until Scunthorpe scored two goals in five second-half minutes.
Orient defender Jean-Yves Mvoto put into his own net before Jack King scrambled in the second.
Hakeeb Adelakun's injury-time tap-in sealed victory for the Iron.
Overall playing record for December 15: Played 13, Won 7, Drawn 2, Lost 4, Scored 22, Conceded 19.
The Iron's full record for December 15 is as follows:
| YEAR | COMPETITION | RESULT | IRON SCORERS |
| 2020 | LG 2 | Iron 2-1 Barrow | Eisa, Clarke |
| 2018 | LG 1 | Doncaster 3-0 Iron | |
| 2015 | FAC R2r | Iron 3-0 Orient | Mvoto (og), King, Adelakun |
| 2012 | LG 1 | Orient 1-3 Iron | Ribeiro, Hawley, Mozika |
| 2007 | CHAMP | Ipswich 3-2 Iron | Paterson 2 |
| 2006 | LG 1 | Iron 1-3 Blackpool | Baraclough |
| 2001 | DIV 3 | Iron 2-1 Hull | Hodges, Torpey |
| 1990 | DIV 4 | Iron 1-1 Doncaster | Flounders |
| 1987 | FLT PR | Grimsby 1-2 Iron | Harle, Flounders |
| 1979 | DIV 4 | Newport 2-1 Iron | Stewart |
| 1967 | DIV 3 | Iron 2-1 Peterborough | Deere, Barton |
| 1962 | DIV 2 | Southampton 1-1 Iron | Hodgson |
| 1956 | DIV 3N | Darlington 1-2 Iron | Fletcher 2 |
