In Milan, Italy, it’s a legal requirement to smile at all times, except during funerals or hospital visits.
In Milan, it is believed to be illegal to frown and there is a law that requires people to smile at all times, except during funerals or hospital visits. This law has its roots in a city regulation that dates back two centuries ago when Milan was under Austria-Hungary. The decree, which required individuals to smile at strangers, was never officially revoked and has remained in place till now.
Failure to comply with this requirement can result in fines.