As one of the oldest and largest stadia in United Kingdom, the site of two major disasters and as one of the first wave of all-seater football grounds in Britain, Ibrox has been identified[who?] as a stadium of historical significance. Its architectural importance was recognised in 1987 with the designation of its South Stand, now named the Bill Struth Main Stand, as a Category B listed building.
A record crowd of 118,567 gathered in January 1939 for a league match with Celtic. This remains the record attendance for a League match in Britain and is one of highest in Europe for a domestic league fixture.