How far back do we kheenchofy it, but, the arc of mankind's history ?
reasonable time periods, maybe.. the last great war, say.. biggest epochal moment for the planet.
depends but, post and pre kidhar pe lagane ka ?
as I mentioned earlier, there are those, dravidian ethno-nationalists (and others) who think ki relatively "gora" "northies" are steppe people ke descendants, ancient invaders..
it never ends, most people like to put a full stop as soon as they find something that massages their ego, and gives them the good feelings lol
the universe is infinitely big (and expanding)
the universe is also infinitely small... higgs boson mila.. but that's not it, it will go to billions of times smaller, infinitely so
not to go off the rails but.. so, basically .. we should work within reasonable time frames, ideally, only the here and now, and the relevant recent past to bounce ideas off one another till relative consensus is achieved.
Tell that to Israel.
With your full support.