Chicago Pizza and Oven Grinder Company Chicago Pizza and Oven Grinder Company Chicago Pizza and Oven Grinder Company is a restaurant located in Chicago, Illinois. The restaurant was founded in 1972, and specializes in a signature dish called the "pizza pot pie." It enjoys local popularity and has appeared in many publications and television shows. There is no knowledge of when the building was first built. It has been speculated that the building had some ties to gentility, but those ties were severed in 1929. The parking garage across the street became known as the location of the "St. Valentine's Day Massacre", the infamous murder of
Saint Joseph's Day the season on the Sunday nearest to Saint Joseph's Day otherwise known as "Super Sunday," after which their costumes are dismantled. Saint Joseph's Day is also celebrated in other American communities with high proportions of Italians such as New York City; Utica/Rome, NY, Syracuse, NY, Niagara Falls, NY, Buffalo, NY, Hawthorne, NJ, Hoboken, NJ, Jersey City, NJ; Kansas City, MO; and Chicago; Gloucester, Mass.; and Providence, Rhode Island, where observance (which takes place just after Saint Patrick's Day) often is expressed through "the wearing of the red", i.e., wearing red clothing or accessories similar to the wearing of green on