On January 25, 1350 the bishop of Brescia invested iure feuds for a tenth of the rights in the territories of the Municipality of Bienno (vicinia) and men of Bienno.
The peace of Breno was signed on 31 December 1397 by the representative of the community of Bienno, Lanini Bertolino di Martino, who was a Ghibelline.