content: Also, the Russkies set up their North American HQ in Sitka and had a fort all the way down in California, known as Fort Ross.    And that is just the stuff that is admitted.  Of course there are rumors they were down in Latin America too, couple hundred years back.   For example, the rivals to the Aztecs, that ended up allying with Cortes to defeat the Aztes were... The Tarascans.  Rus khans?    And then there are the earliest stories about the Potosi mine (one of the richest silver mines ever discovered), that the miners quarrelled with each other and spoke unintelligible language.  Of course, this could have been conflict between Basque and Spanish as well.