The Unterwalden reference article from the English Wikipedia on 24-Apr-2004
(provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Unterwalden

Sponsorship the way you would do it
Unterwalden is a region in central Switzerland.

It consists of an upper part, the canton of Obwalden, and a lower part, the canton of Nidwalden.

Unterwalden was one of the three participants in the 1291 alliance with Uri and Schwyz, considered the origin of the Swiss Confederation.