The War of the Bucket or the War of the Oaken Bucket (ItalianGuerra della secchia rapita) was fought in 1325, between the rival city-states of Bologna and Modena. It took place in the region of Emilia-Romagna in northern Italy. The war was an episode in the over 300-year-long struggle between Guelphs and Ghibellines. Modena won the Battle of Zappolino (the only battle of the war), and the bucket remains in Modena to this day.

A common myth surrounding the War of the Bucket is that it was caused when the Modenese stole a bucket from a Bolognese well. However, this is mostly incorrect, as the bucket was (according to most accurate accounts) taken as a trophy by the Modenese after the war. 

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