Nepal, Dec. 20 -- The subcontinent's civilisational past, colonial cartography and new national borders Three incidents in one week: a detained traveller in Shanghai, a revived claim on Sindh, and a currency note from Kathmandu, reveal a South Asia where small symbols now carry the weight of territorial claims. The danger lies not in armies but in imaginations sharpened into weapons.

It began without spectacle, as many troubles in the subcontinent often do: quietly, almost indifferently, as though history were clearing its throat. A week steeped in a kind of comic solemnity, its events unfolding with the grave absurdity of men arguing over shadows cast on an old, uneven map. One could almost hear the creaking of history's machinery, ans...