Originally Posted by
Proofide
Over here in Blighty, there are definite cut-off dates for veteran and vintage cars. I think veterans have to be no later than 1904, as only they may participate in the London to Brighton run. Vintage are, if memory serves, before 1930, although I'm open to correction.
For motorbikes, the UK's Vintage Motorcycle Club reckons anything that's over 25 years old qualifies as vintage and pre 1915 is Veteran (my dad does both - his oldest James motorcyle dates to 1911 and the newest to 1959).
e2a: there was a bit of heated debate in the late 80s when it became apparent that they'd have to let Japanese bikes into the Vintage fold