# RewindMap

> Interactive historical world map. Pick any year from 3000 BC to today and see polity borders, battles and major volcanic eruptions as they stood. Every feature carries its source ID and Wikidata QID where one exists.

Coverage: 1613 polities (3880 border snapshots, OpenHistoricalMap, CC0), 1500 battles (Wikidata, CC0), 742 eruptions of VEI 4 or larger (Smithsonian Global Volcanism Program). Years are astronomical (0 = 1 BC).

## Explorer
- [Map at a given year](https://rewindmap.com/?year=1453): replace 1453 with any year; negative numbers are BC (astronomical).

## Topics
- [Fall of Constantinople (1453)](https://rewindmap.com/topics/fall-of-constantinople/): How the Ottoman capture of Constantinople on 29 May 1453 redrew the map of the eastern Mediterranean.

## Data
- [Data & sources](https://rewindmap.com/sources/): licences, counts and the full polity list with Wikidata IDs.
- [Full text for LLMs](https://rewindmap.com/llms-full.txt)