I was thinking about the French "Vigipirate" system, which I think has "lowered" the threat level by defining higher levels at least two times now. For example

I was thinking about the French "Vigipirate" system, which I think has "lowered" the threat level by defining higher levels at least two times now. For example I remember a few years ago, the second highest color level, red, was declared to be the now lowest level, "Vigilance". It has never been that low again since.