Sorry but I didn't know that one! You may find this link really interesting:
I already knew that French was the world official language for Ballet, Car Racing -Formula One- Cuisine, International Mail, I must forget many more of these. But tonight I accidentally found the origin of "Mayday" and "Pan, Pan, Pan"...
Was I the only one left behind and not knowing this ???????
A good reason for not bashing the French anymore (for those of you who enjoy it so much)