ἱστορίαι Historiai
Year — one rung of the editor’s lattice; every claim below carries its ground or says it has none

481 BCE

Ol. 74, 4 · archon Themistocles · within Olympiad 74 · 3 claims on the desk receipt — the chronology desk

The reckonings — how the year is counted, system by system; lookup from the table, never arithmetic
date conventional Clinton closes Olympiad 74 with Themistocles archon — whether the archon is THE Themistocles the record leaves open, and so does the desk.
481. 74, 4. Themistocles. Clinton, Fasti Hellenici vol. II (Oxford 1841), p. 32 cited, never reprinted — the apparatus shelf
The row's authorities column cites a scholiast to Thucydides (Schol. Thucyd. I. 93) — beyond the excerpt's column seam.
The record dates itself — the ancients' own year-namings and day-namings, verbatim, linked to their episodes
date conventional Herodotus counts Xerxes' preparation to the rim of this year: four full years equipping after Egypt fell, the march begun before the fifth was out.
For full four years after the conquest of Egypt he was equipping his force and preparing all that was needed for it; before the fifth year was completed, he set forth on his march with the might of a great multitude. Hdt. 7.20 The Histories · Herodotus
date conventional The table walks the army to its winter quarters: Sardis in the autumn of this year, where he wintered.
Xerxes in the autumn arrived at Sardis ; Herod. VII. 32—37- where he wintered. Clinton, Fasti Hellenici vol. II (Oxford 1841), p. 32 cited, never reprinted — the apparatus shelf
The year’s deeds

No curated deed is anchored to this year yet — a fact about the index, not about the year.

The lattice — the poured rungs on either side; a gap here is a fact about the desk

The record here: 166 works · 12,119 episodes served · the desk is lookup, not arithmetic — claims carry grounds: episode, page, or an honest open

the desk · times · deeds · lives · sources & licenses