October 9 is...
Oh, my! That does look good!
A sandwich is pretty much served any way YOU like to buy it or choose to build it. In other words, sandwiches are an individual thing. As for their names, origins vary with most being dependent upon where you live and the type of bread. Take for example the sandwiches up for grabs on this day's celebration.
Grinder: Mid-west, New England, Riverside, California