-
say in 1600, but who pressed into it.
-
Usually, the picture is that they are coming from the north
-
or the northeast and pressing down into it.
-
I have to believe that whoever came up with that theory for the first time
-
was aided in coming to it
-
by thinking about the end of the Roman Empire,
-
when something precisely like that did happen.
-
These Germanic and other tribes,
-
who were largely located north and northeast of Europe,
-
came down--I should say not Europe,
-
but the Roman Empire--
-
came down and ultimately destroyed it by invasion.