Vikings in Canada — 1013 years ago today.

Leiv Eiriksson discovers America, by Christian Krohg (1893). Leif Ericson -- or, more properly, Leifr Eiríksson (Old Norse version) -- and his crew landed in Vinland in the year 1000.  Supposedly, that happened on October 9, but I always have to wonder how historians manage to pin down a date like that so