From the time of Herodotus and Zoroaster to this day, the Turcomans carried on their nomadical life, and as it seems, without much change in their manners and customs. The text of Herodotus and Polybius may be explained by the embassies of Muravie and Meyendorn to Khiva and Buchara. Many of these Turcoman shepherds were driven to Asia Minor by the destruction of the Charizmian empire by the Moguls; the inroads and devastations of the Charizmian shepherds have been described by many contemporary authors, and the Crusaders experienced a great defeat from these savages.