Which chain was founded first Toppers Pizza or Pietro's Pizza?
Toppers Pizza (American restaurant): Toppers Pizza is a chain of pizzerias in the United States. Pietro's Pizza: Pietro's Pizza is a small pizza chain in the U.S. state of Oregon. Pietro's Pizza:  Founded in 1957, the chain grew to about 80 restaurants and changed owners several times before shrinking to only four stores.
i don't know