Why do Japanese people eat KFC on Christmas?

Why do Japanese people eat KFC on Christmas? According to KFC Japan, it all dates back to 1974 after a KFC Japan sales team member overheard a foreign customer complain about not being able to get turkey and making do with fried chicken for Christmas.

According to KFC Japan, it all dates back to 1974 after a KFC Japan sales team member overheard a foreign customer complain about not being able to get turkey and making do with fried chicken for Christmas.