Sonnenberg#
Sonnenberg, Vorarlberg, in the municipality of Nueziders, district of Bludenz. Sonnenberg Castle was conquered and destroyed by mercenaries led by Burkhard von Knoeringen in 1473 and sent by Sigmund von Tirol; in 1474 the Counts of Sonnenberg renounced their lands in favour of the Habsburgs, who conquered the Innerwalgau region and became rulers of the area stretching from Arlberg mountain to the river Rhine.
Literature#
H. Sander, Die Erwerbung der Grafschaft Sonnenberg durch Oesterreich, 1888.