What city was the author of The Dream of Rome at one point the mayor of?
The Dream of Rome: The Dream Of Rome (2006) is a book by Boris Johnson, in which he discusses how the Roman Empire achieved political and cultural unity in Europe, and compares it to the failure of the European Union to do the same. Boris Johnson:  He had previously been MP for Henley from 2001 to 2008 and Mayor of London from 2008 to 2016.
London