Don Cossacks were Cossacks who settled along the middle and lower Don River, Russia. This population was formed in the second half of the sixteenth century, largely of runaway peasants. The Don Cossack Host, was a frontier military organisation since the end of the sixteenth century. Since 1786 the territory was officially called Don Voisko Lands, and was renamed Don Voisko Province in 1870 (presently shared by the Rostov, Volgograd, … Wikipedia
The definitive Wikipedia entry for Don Cossacks. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Don_Cossacks
