# Siege of Merv

> 1221 Mongol invasion of Khwarezmia and Eastern Iran

**Wikidata**: [Q39081822](https://www.wikidata.org/wiki/Q39081822)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Siege_of_Merv_(1221))  
**Source**: https://4ort.xyz/entity/siege-of-merv