I think the most prominent example of such gesture is the handshake. Or earlier just raising right hand to show you're not holding any weapon and your friendly.
Or am I wrong and there are older gestures still in use?
Or am I wrong and there are older gestures still in use?
Yeah thats pretty much universal. Also raising your hands them clasping them afterwards is a "greetings. I come in peace" that should be universal.
Much like how the two finger swear is a European thing (reportedly to demonstrate that one still has their bow fingers attached and thus can still attack their foe -- but that might just be an urban legend) and thus many Asians have accidentally sworn on social media due to doing the V sign backwards, not realising it means something totally different in the west.
As for the two finger thing, I have no idea