The first written account of the Loch Ness Monster, or Nessie, was made in 565AD.

The earliest report of a monster associated with the vicinity of Loch Ness in Scotland, appears in the Life of St. Columba by Adomnán, written in the 6th century.  According to Adomnán, writing about a century after the events he described, the Irish monk Saint Columba was staying in the...
The first written account of the Loch Ness Monster, or Nessie, was made in 565AD.