The island province of Gotland is a part of Sweden so when torrential rain pours down and unearths a few coins, you’d expect them to be of Swedish origin.

With two old coins emerging after the downpour, archaeologist interest perked up and exploration began.

The result? The discovery of 52 more coins. And more interesting, all but six of the coins came from other regions and countries. They weren’t Swedish. How did they get there?

Given that the coins were dated between the late 900s to early 1000s and taking into account the history of the island, the answer… from the Vikings.

At one time Gotland was a Viking hub of sorts. And Viking were notorious for their travels and the "acquiring and hoarding" of multiple country coinage.

As a point of fact, Gotland has had more Viking treasure and archaeological findings than nearly anywhere in the world.

A reference for this story was from Numismaster.com and the article Viking Hoard Yields Foreign Coins on Swedish Island, written October 11, 2007 by Richard Giedroyc.