[MediaMole]

IMHO, the eighties didn’t start until Jan 20, 1981. That was when the last of the rubbish from the 1970s was swept to the curb and dumped back in Georgia.

[Petronski]

IMHO, the eighties didn’t start until Jan 20, 1981.

Bizarre.

So a year pronounced "nineteen eighty" is not part of the eighties, but a year pronounced "nineteen ninety" is?