This March, Williamson County with celebrate its 175th birthday in historic fashion with events to honor the founding of the county on March 13, 1848. The public is invited to join the party during the Williamson County 175th Birthday Celebration presented by the Greater Round Rock Community Foundation on March 10 and 11 at the historic county courthouse, 710 S. Main Street in Georgetown. Future events will be announced on the website at www.wilco175.org. Volunteers can sign up to assist the celebration here.