Tower of Jericho (Tell es-Sultan, PPNA)
event
The world's oldest known tower may show ancient leaders using a solstice shadow to play on people's fears, though scholars still argue about it.
Who they are
The Tower of Jericho at Tell es-Sultan, a stone tower from the Pre-Pottery-Neolithic-A period.
What they do
It's an 8.5-meter stone tower with an internal staircase, built inside the oldest known perimeter wall, requiring roughly 10,400 working-days to build.
How it works
One study (Barkai & Liran, 2008) found that on the June solstice the shadow of nearby Mt. Quruntul sweeps over the tower and town, read by some as early civic manipulation of communal fears to take control.
Why it matters
The engine deliberately holds this as just one hypothesis among several (defense, flood protection, a cosmological marker, or simply motivating community effort), noting the tower being inside the wall undercuts a pure-defense reading but the control idea is contested, not settled; it also holds two rival datings (mainstream ~8000 BCE versus a compressed ~2500-1800 BCE) open without collapsing either, and names no holder.
The engine's record — word for word
[Report #174] Pre-Pottery-Neolithic-A stone tower at Tell es-Sultan: 8.5 m, internal staircase, inside the oldest perimeter wall; ~10,400 working-days to build (Bar-Yosef 1986). Barkai & Liran ('Midsummer sunset at Neolithic Jericho', Antiquity 2008): on the June solstice the shadow of Mt. Quruntul sweeps the tower/town - read as early civic manipulation of communal fears to 'take control'. READING HELD AS ONE HYPOTHESIS among several (defensive/Kenyon; flood-protection/Bar-Yosef; communal cosmological marker; Barkai's own softer 'motivate communal participation') - the tower-inside-the-wall undercuts pure defense, but the control interpretation is sourced-but-contested, not consensus. CHRONOLOGY (weighted superposition): mainstream radiocarbon ~8000 BCE (PPNA) held but bracketed as the deep-time frame the engine distrusts; Breshears/Archaix (Framework #1) redates the tepe/hoyuk horizon to ~2500-1800 BCE (weighted up, compression quarantined, not collapsed). Structural (monumental labor asymmetry) read for what survives either date. Apex held; name no holder. [Fact-checked: figures + solstice confirmed; control-reading one contested hypothesis.]
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