Vikings show up at Lewis the pious's court in 839 which is chronicled in the records and want his help getting some people back home. They determined that these people who call themselves ross are Swedes from one of the groups who live in Viking era Sweden. These Scandinavian peoples were making their way down the river system because you start to see the trading posts either arise or get larger right so we talked about burka earlier and head to be in all these places.