Great Fire of Mayugoro

Great Fire of Mayugoro was a fire that happened in Itomori 200 years before, cir. the 19th century.

Cause
The fire started from the bathroom of shoemaker Mayugoro Yamazaki, and spread to the entire town.

Destruction
While casualties are unknown, the fire destroyed the shrine of Itomori, and all documents of its tradition.

Aftermath
As the meaning of its ritual tradition was lost in the fire, Itomori habitants became clueless of the foreseen disaster that would eventually happen in 2013, killing 1/3 of its people in the original timeline.

Yamazaki Mayugoro are still infamous even 200 years later, as the fire was named after him.