Still, stoner-cultures in many countries in Europe celebrate 4-20, definitively a bunch of Frenchies getting extra stoned that day. It's probably the de-facto "international cannabis day" in most places in the world, at least the ones influenced by US culture which reached pretty far in its heyday.
It’s unlikely, because putting the month first is a US thing. In France it would be 20/04, or “20 avril”.
Still, stoner-cultures in many countries in Europe celebrate 4-20, definitively a bunch of Frenchies getting extra stoned that day. It's probably the de-facto "international cannabis day" in most places in the world, at least the ones influenced by US culture which reached pretty far in its heyday.