Event Date:  March 22, 2015 - 1:30pm - 3:30pm Balls - presentations at court - diplomatic functions. Learn how people "dressed up" in the Federal/Regency era. After the illustrated lecture, make your own choker necklace to wear to your next grand occasion. (workshop open to lecture attendees only.) Advance payment required by March 13. Fee: Residents of Prince Georges and Montgomery Counties $5; Non-Residents $7.50; optional workshop $5. Location Riversdale House Museum 4811 Riverdale Road Riverdale Park, MD 20737 United States See map: Google Maps