cleared and cultivated; but they had no sooner raised flourishing villages in the midst of rich cornfields and gardens, than they were informed that the ground belonged to the state and were driven from the home they had so lately found. Pennsylvania opened a place of refuge to the wanderers.[2] The religious persecution and the increasing despotism of the governments in Germany meanwhile incessantly drove fresh emigrants to America, where, as they were generally sent to the extreme verge of the provinces in order to clear the ground and drive away the aborigines, numbers of them were murdered by the Indians. Switzerland also sent forth many emigrants, who settled principally in North Carolina. The people of Salzburg, whose expulsion has been detailed above, colonized Georgia in 1732. In 1742, there were no fewer than a hundred thousand Germans in North America, and, since that period, their number has been continually on the increase. Thousands annually arrived; for instance, in the years 1749 and 1750, seven thousand; in 1754, as many as twenty-two thousand; in 1797, six thousand Swabians. The famine of 1770, the participation of German mercenaries in the wars of the British in North America, at first against the French colonies, afterward against the English colonists (the German prisoners generally settled in the country), induced the Germans to emigrate in such great numbers that, from 1770 to 1791, twenty-four emigrant ships on an average arrived annually at Philadelphia, without reckoning those that landed in the other harbors.[3] The passage by sea to the west being continually closed during the great wars with France, the stream of emigration took an easterly direction overland. Russia had extended her conquests toward Persia and Turkey. The necessity of fixing colonies in the broad steppes as in the primitive forests of America, to serve as a barrier against the wild frontier tribes, was plainly perceived by the Russian government, and Germans were once more made use of for this purpose. Extensive colonies, which at the present date contain hundreds of thousands of German inhabitants, but whose history is as yet unknown, were accordingly formed northward of the Black and Caspian Seas. Swabian villages were also built on the most southern frontier of Russia toward Persia, and in 1826 suffered severely from an inroad of the Persians.