For two hundred years the Rhine formed the boundary between the Roman empire and the Teutonic hordes; and during that period the left or Roman bank made prodigious strides in civilization and culture.
After the establishment of the Zulu military ascendancy early in the 19th century various Zulu hordes successively invaded and overran a great part of east-central Africa, as far as and even beyond the Lake Nyasa district.
In a short time, besides men who required regular pay, hordes gathered round the guru who were satisfied with two meals a day and a suit of clothes every six months.
Throughout the 6th century Khazaria was the mere highway for the wild hordes to whom the Huns had opened the passage into Europe, and the Khazars took refuge (like the Venetians from Attila) amongst the seventy mouths of the Volga.
They issued from the land of Barsilia, and extended their rule over the Bulgarian hordes left masterless by the Turks, compelling the more stubborn to migrate to the Danube (641).