From: wtsdv
Message: 26914
Date: 2003-11-06
>The Ossetes also use a vigesimal system.
>
> The Danish twenty-count (it made as little sense to me as a
> child as to any foreigner) originates in Jutland; until the
> loss of the Scanian lands it competed with ten-count decade
> names, after that it became predominant. Twenty-count is found
> in Southern Italy too (and Faroese). Traditionally the twenty-
> count is ascribed to a Celtic substrate.