Seleucus of Seleucia (190–150 BCE)

Born 190 BCE, died 150 BCE.

Seleucus of Seleucia (Greek: Σέλευκος Seleukos; born c. 190 BC; fl. c. 150 BC) was a Hellenistic astronomer and philosopher. Coming from Seleucia on the Tigris, Mesopotamia, the capital of the Seleucid Empire, or, alternatively, Seleukia on the Erythraean Sea, he is best known as a proponent of heliocentrism and for his theory of the causes of tides.

Text from the Wikipedia article Seleucus_of_Seleucia, licensed CC BY-SA 4.0.

Everything else in 190 BCE

HistoryLayer draws the world as it was in any year from 123,000 BCE to 2026. Move the slider and the borders redraw for that year; the map carries 23,890 events, 12,790 people, 837 wars and 13,183 cities, each one readable in place. Signing in is optional and lets you keep what you find.

HistoryLayer
1914CE
World Wars
123,000 BCE2026 CE
54 stops — one per surviving map on file, evenly spaced drag the pin · ←→ steps one stop the same 54 stops by true elapsed time ↑
Map & filters
Show on the map
Filter
Colour by
Polity Empire