The following towns have over 50,000 inhabitants each: Constantinople, 1,150,000; Smyrna, 250,000; Bagdad, 145,000; Damascus, 145,000; Aleppo, 122,000; Beirut, 118,000; Adrianople, 81,000; Brusa, 76,000; Jerusalem, 56,000; Caesarea Mazaca (Kaisarieh), 72,000; Kerbela, 65,000; Monastir, 53,000; Mosul, 61,000; Mecca, 60,000; Homs, 60,000; Sana, 58,000; Urfa, 55,000; and Marash, 52,000.
In January 1902 the German group holding the Anatolian railway concession was granted a further concession for extending that railway from Konia, then its terminus, through the Taurus range and by way of the Euphrates, Nisibin, Mosul, the Tigris, Bagdad, Kerbela and Nejef to Basra, thus establishing railway communication between the Bosporus and the Persian Gulf.
These religious sectaries attacked and plundered all Mussulmans not conforming to their peculiar tenets; they overran Kerbela and the Hejaz, sacking the holy cities and closing the pilgrim routes.
Early in 1848 he again returned to Arabia, avoiding the long desert journey by landing at Muwela, thence striking inland to Tebuk on the pilgrim road, and re-entering Shammar territory at the oasis of Tema, he again visited Hail; and after spending a month there travelled northwards to Kerbela and Bagdad.
Shammar was crossed without difficulty, and the party was welcomed by the amir and hospitably entertained for a month, after which they travelled northwards in company with the Persian pilgrim caravan returning to Kerbela and Bagdad.