The year 1827, the Nile River. The year 1832, the city of Khartoum. The year 1834, the city of Omdurman. The year 1835, the city of Sennar. The year 1836, the city of Dongola. The year 1837, the city of Kordofan. The year 1838, the city of Berber. The year 1839, the city of Suakin. The year 1840, the city of Kassala.