In article ,
Cub Driver wrote:

This would explain why we celebrate Lief Erikson Day,

Yes, it does. (Leif Erikson Day is October 9:th in the USA.)

If it doesn't have consequences, it wasn't discovery.

Well, it wasn't exactly like Vinland and Greenland were
instantly or totally forgotten, it was more like the
knowledge wasn't very useful, with the climate change and
all. So by your definition, it was discovery, and
analogously some of the pre-1903 pioneers' actions did
have consequences.
--
Urban Fredriksson http://www.canit.se/%7Egriffon/
Things that try to look like things often look more like
things than things do.