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 cities on either side ; thus was made the fourth city, Jahanpanah.

When Firoze Shah had firmly seated himself on the throne, in succession to Mahomed Tughlak, he also constructed a city, Firozabad, four or five miles to the north-east of Siri, in 1354. The exact extent of this city is not quite certain, but it covered a portion of the modern city, and perhaps extended up to and round the Ridge, to the north.

After the Moghal conquest, Humayun built the Purana Kila in 1534. When he was turned out, Sher Shah, or his son Islam, built the walls of a sixth city, which occupied a part only of Firozabad. Only a few hundred feet of the walls of this city remain, and even that short length is considered by some not to have belonged to the outer walls at all.

Finally, the seventh, and last, city was built in 1648 by Shah Jahan, the third great Moghal emperor, who pulled down what was left of Firozabad, and of the walls of Sher Shah's city, to build the walls of his own. No doubt the nobles followed suit, and quarried a great quantity of the stone walls for their own houses ; but however that may be, the greater part of those walls have gone.

So we have traced, in chronological order, the