Water Monster reports from the 1750s
2 cases, best-documented first. Page 1 of 1.
We map claims, not creatures. A case is what some source says someone saw or heard, with the link to that source. It is not proof that anything was there, and a retelling counts once, not as a second sighting.

Water Monster · Norge · 1754
Missionary Hans Kgede claims to have witnessed a huge serpent-like creature in Norway in 1754.

Water Monster · 1752
The captain and officers of the ship Daedalus reported seeing a creature with head seven or eight feet in diameter and twelve feet long and a huge body.