What annual record holding event started after Elias Kidd's post office stopped operations?
Kidds Store, Kentucky:  The post office operated from 1887 to 1954. U.S. Route 127:  Since 1987, it has been the core of the annual World's Longest Yard Sale, also known as the Highway 127 Corridor Sale (127 Yard Sale), which now stretches 690 mi from Addison, Michigan, to Gadsden, Alabama.
World's Longest Yard Sale