Nero's 'Great Fire of Rome' in 64AD was NOT as bad as previously thought, historian claims 

Archaeological evidence shows around 15 - 20 per cent of Rome was actually destroyed, much less than the purported 10 of 14 municipal districts. https://www.dailymail.co.uk/sciencetech/article-8937091/Neros-Great-Fire-Rome-64AD-NOT-bad-previously-thought-historian-claims.html?ns_mchannel=rss&ns_campaign=1490&ito=1490