Deep Time · Side by side

Two chapters, the same questions asked of both

Put two Deep Time chapters next to each other — their evidence base, the dating methods behind them, the live debates, and the questions still open.

Documented1600 BCE – 220 CE

Ancient China

Oracle bones, bronze metallurgy, and the long dynastic record.

Open full chapter →
Documented800 – 146 BCE

Greece

City-states, natural philosophy, and the first surviving works of history.

Open full chapter →
The evidence base

Oracle bones, bronze inscriptions, transmitted histories, and excavated tombs whose contents can be checked against the texts.

A large surviving literary corpus, inscriptions, excavated sanctuaries and cities, coinage, and vase painting as a visual record.

How we know
MethodWhat it constrains
Oracle bone epigraphyInscribed ox scapulae and turtle plastronsDirect contemporary royal record. It reflects divination practice and court concerns, not general life.
Metallurgical analysisBronze vessels and casting mouldsReconstructs technique and alloy control; workshop organisation is inferred.
Tomb archaeology with textual cross-checkBamboo slip manuscripts and grave assemblagesTests transmitted texts against buried versions and reveals editing over time.
MethodWhat it constrains
EpigraphyPublic decrees, accounts and casualty lists on stoneContemporary institutional record. It preserves what a polis chose to publish permanently.
Manuscript transmission analysisMedieval copies of classical texts and papyrus fragmentsReconstructs what survived and how; the corpus we have is a fraction of what was written.
Excavation of sanctuaries and settlementsTemples, agoras, houses and votive depositsProvides material context that literary sources rarely describe.
Where specialists disagree
  • Is the Xia dynasty a historical polity?

    Erlitou is a real, impressive site; equating it with the textual Xia is an argument, not a finding.

  • How centralised was Shang and early Zhou authority?

    Bronze distribution suggests networks of allied lineages more than a bureaucratic state.

  • How historical is the Trojan War tradition?

    Troy is a real, repeatedly destroyed site; matching a specific layer to the epic is not settled.

  • How representative was Athens?

    Most surviving text is Athenian, which distorts our picture of the wider Greek world.

Still open
  • What is the correct absolute chronology for the Shang–Zhou transition?
  • How much unexcavated manuscript material remains in sealed tombs?
  • How did regional bronze traditions relate to the central court?
  • How much of the lost corpus is recoverable from papyri?
  • What did non-elite life look like outside Athens?
  • How did technical knowledge circulate between city-states?