Heraclea Pontica founded

557 BCE.

Shown on the map at 41.285°, 31.415°.

Heraclea Pontica (; Ancient Greek: Ἡράκλεια Ποντική, romanized: Hērákleia Pontikḗ; Attic Greek: [hɛːrákleːa pontikɛ́ː], Koine Greek: [(h)e̝ˈraklia pontiˈke̝]), known in Byzantine and later times as Pontoheraclea (Greek: Ποντοηράκλεια, romanized: Pontohērakleia), was an ancient city on the coast of Bithynia in Asia Minor, at the mouth of the river Lycus. The site is now the location of the modern city Karadeniz Ereğli, in the Zonguldak Province of Turkey.

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

Everything else in 557 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