1. hegira - Noun
2. Hegira - Proper noun
The flight of Mohammed from Mecca, September 13, A. D. 622 (subsequently established as the first year of the Moslem era); hence, any flight or exodus regarded as like that of Mohammed.
Source: Webster's dictionaryFor example, the Islamic calendar dates not from the date of the Hegira (16 May AD 622) but from the following new year (16 July AD 622). Source: Internet
“This is the lesson we draw from the First Hegira, and people are not happy with imported radical ideas,” he said. Source: Internet