It's exactly the same in Belgium, and in my 6 years of going to university it happened exactly once. It was very helpful to decide that we should no longer wai

It's exactly the same in Belgium, and in my 6 years of going to university it happened exactly once. It was very helpful to decide that we should no longer wait and could assume the lesson was cancelled, instead of waiting around for an hour and a quarter not sure if the professor was coming or not.