Step 1 : Introduction to the question "Battle of the _______ is an annual food fight and festival in Ivrea, Italy. "
The festival's origins are somewhat unclear. A popular account has it that it commemorates the city's defiance against the city's tyrant, who is either a member of the Ranieri family or a conflation of the 12th-century Ranieri di Biandrate and the 13th-century Marquis William VII of Montferrat.