An emergency spillway used as a back-up cracked and, fearing a catastrophic flood, more than 180,000 people downstream were evacuated from their homes.

Sixty years later, in 1810, there was another catastrophic flood in which many people lost their lives.

By 1644 the bridge was missing four arches and finally a catastrophic flood in 1669 swept away much of the structure.

Built to prevent another catastrophic flood similar to the one in 1915, the tube was completed in 1923.

It was similar to the catastrophic flood of 1988 in terms of the extent of the flooding.