The 1814 Perth flood was caused by the River Tay, Scotland's longest river, rising to above its normal level. It occurred on 12 February 1814, in Perth, Scotland. It was partly caused by ice jams beneath Perth Bridge, which was built 43 years earlier.Rising from the Waves: The Development of the Historic Burgh of Perth – David Bowler The river's height matched that of a flood in 1774."Bridges of Perth" at PerthCity.co.uk
Perth's 1993 flood came close to breaking the record for the height of the Tay's waters, but it peaked at .The Great Tay Flood of January 1993 – A. R. Black and J. L. Anderson
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