Here's a brief list I compiled of the annual city sales that I've found so far.
Delhi Community Yard Sale
April 21, 9:30 a.m.
Delhi Senior Citizens Center parking lot, 647 Neeb Road
Community Yard Sales
May 3, 4 and 5
September 20, 21 and 22
Rising Sun, Indiana
US 50 Yard Sale
May 18, 19 and 20
Washington DC to Sacramento
Beckett Ridge Sale
June 9
West Chester, Ohio
Spring Community Yard Sale
June 9
Vevay, Indiana
US 127 Yard Sale
Aug. 2, 3, 4, 5
Michigan to Alabama