Was Atlantis intended as allegory?

Open question. Second City Standard tracks this as unresolved and reports competing positions rather than a conclusion.

Which dialogues are authentically his?

Open question. Second City Standard tracks this as unresolved and reports competing positions rather than a conclusion.

Primary Source 09Documented Historical Record

Plato

Athens · c. 399 – 347 BCE

Philosophical dialogues that also contain the earliest surviving mention of Atlantis.

What the document is

A near-complete corpus transmitted continuously since antiquity.

Why it matters

The Timaeus and Critias are the sole origin of a story frequently reported as history.

Documented Historical Record

How we treat this record

Attested in primary written sources that historians treat as reliable for this claim.

Questions still being studied

Q01Was Atlantis intended as allegory?
Q02Which dialogues are authentically his?

Marble temple ruins above the deep blue Aegean sea in bright Mediterranean light

Where this source sits

Poleis of the Aegean and their colonies

37.97° N, 23.72° E

Open the world file

Greece Egypt

Sources that speak to each other

Documents that share themes, people, or historical periods with Plato.

Herodotus

Documented

c. 430 BCE

The first surviving work of systematic inquiry — and a running lesson in source evaluation.

source evaluation · Same period: Greece, Egypt

Nag Hammadi Library

Documented

c. 350 CE (copies)

Thirteen codices that transformed the study of early Christian diversity.

textual transmission · Same period: Egypt

Epic of Gilgamesh

Documented

c. 2100 – 1200 BCE

The oldest surviving long-form literature, assembled across a millennium of tablet traditions.

mythology as evidence · textual transmission

Ancient Egyptian Texts

Documented

c. 2400 BCE – 100 CE

Pyramid Texts, Coffin Texts, the Book of the Dead, and the administrative papyri that reveal daily logistics.

Same period: Egypt

Across the archive

Where Plato connects to the rest of the ancient record — the worlds it belongs to, the chapters it sits in, the documents that record it, and the questions still open.

Worlds

All worlds →

CivilizationDocumented

Greece

Aegean · c. 800 – 146 BCE

The first culture that argued in writing about whether its own history was true.

Plato comes out of this world

The Giza plateau at golden hour, pyramids rising through desert haze

CivilizationDocumented

Egypt

Northeast Africa · c. 3100 – 30 BCE

A civilization built along a river, recorded in stone, and still being excavated.

Plato comes out of this world

Deep Time

All deep time →

Timeline chapterDocumented

Greece

800 – 146 BCE

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

Plato sits in this chapter

Timeline chapterDocumented

Egypt

3100 – 30 BCE

Three thousand years of continuous state records, monuments, and engineering.

Plato sits in this chapter

Evidence Files

All evidence files →

Evidence fileArchaeological

Antikythera Mechanism

Aegean Sea · c. 150 – 100 BCE

How advanced was Greek gearing, and why is there nothing else like it?

Open file in Greece

Evidence fileSpeculative

Atlantis

Textual · Described c. 360 BCE

Is there any evidentiary basis for Atlantis beyond two Platonic dialogues?

Open file in Greece

Evidence fileOpen Debate

Bronze Age Collapse

Eastern Mediterranean · c. 1200 – 1150 BCE

Why did an interconnected system of empires fail within roughly fifty years?

Open file in Greece

Evidence fileDocumented

Great Pyramid

Giza, Egypt · c. 2560 BCE

How was a 2.3-million-block monument organized, supplied, and raised in roughly two decades?

Open file in Egypt

Previous source

Tacitus

Next source

Ancient Egyptian Texts