Bono, Washington County, Nebraska Historic Towns: Bono Historic Towns: Bono -Courtesy of Washington County Nebraska History, 1980 The Bono Post Office was established in August 1867 and James Thompson was the first postmaster. The area is south and east of Herman and on the area called the "bottom." James Denny became postmaster in August 1874 and the office was discontinued in 1875. Back to Top