Most countries visited by train within 24 hours

Most countries visited by train within 24 hours
Who
Alison Bailey, Ian Bailey, John Englsih and David Kellie
What
11 total number
Where
Ungarn ()
When
Age Restriction: Applications for this record title will only be accepted if the applicant is 16 years of age or over.
The record number of countries travelled through entirely by train in 24 hours is eleven, by Alison Bailey, Ian Bailey, John English and David Kellie on May 1-2 1993.
Their journey started in Hungary and continued through Slovakia, the Czech Republic, Austria, Germany, back into Austria, Liechtenstein, Switzerland, France, Luxembourg, Belgium and the Netherlands, where they arrived 22 hrs 10 mins after setting off.