Orange County Historian Johanna Yaun and Sergio Villavicencio, chair of the New York City Semiquincentennial Committee, at a planning meeting held at the 1841 Courthouse in Goshen in August. ( Photo provided) County Historian Johanna Yaun named chair of Semiquincentennial Commission Orange County Historian Johanna Porr Yaun has been named chair of the Orange County Semiquincentennial Commission, and is... Local News 11 Sep 2019 | 06:30