Before 500 CE. A broad browsing convention for ancient societies; local chronologies vary.
A dangerous salvage operation recovered a corroded machine. A century of research revealed its calendars, eclipse cycles and a planetary display that still invites competing reconstructions.
Ashoka’s inscriptions joined remorse, welfare, and religious restraint to an imperial government that still claimed the power to punish.
Roads, satraps, multilingual offices, and thousands of clay records reveal the practical work of keeping the Persian Empire connected.