For anyone who wants to know the famous 12:
06/03/94 Lazio 1-0 Roma (6' Signori)
23/04/95 Roma 0-2 Lazio (30' Casiraghi, 71' Signori)
18/02/96 Lazio 1-0 Roma (84' Signori)
01/11/97 Roma 1-3 Lazio (47' Mancini, 57' Casiraghi, 84' Nedved)
06/01/98 Lazio 4-1 Roma (2' Boksic, 32' Jugovic, 75' Mancini, 80' Fuser)
21/01/98 Roma 1-2 Lazio (45' Jugovic, 94' Gottardi)
08/03/98 Lazio 2-0 Roma (50' Boksic, 62' Nedved)
25/03/00 Lazio 2-1 Roma (25' Nedved, 28' Veron)
06/01/05 Lazio 3-1 Roma (29' Di Canio, 74' Cesar, 84' Rocchi)
10/12/06 Lazio 3-0 Roma (44' Ledesma, 52' Oddo, 73' Mutarelli)
19/03/08 Lazio 3-2 Roma (44' Pandev, 57' Rocchi, 92' Behrami)
11/04/09 Lazio 4-2 Roma (2' Pandev, 4' Zarate, 58' Lichtsteiner, 85' Kolarov)
I'll never forget the 97/98 season with that famous 'Poker' over Roma, 4 meetings, 4 wins in one season!