text: " In somewhat later times when the Portuguese began to effect settlements on the coasts of Guzerat and Malabar and to attack the Mohammedan commerce in the Indian Seas the port of Aden (when with the rest of Yemen then paid a nominal allegiance to the Egyptian monarchy) became the principal rendezvous for the armaments equipped by the Circassian Sultans of Cairo in the Red Sea in aid of their Moslem brethren then oppressed by those whom the Sheikh Zein-ed-deen emphatically denounces as "a race of unclean Frank interlopers--may the curse of Allah rest upon them and all infidels!" It was in consequence more than once attacked by the famous Alboquerque (who in 1513 lost 2000 men before it ) and his successor Lope Soarez but the Portuguese never succeeded in occupying it; and the Mamluke empire was overthrown in 1517 by the arms of the Ottoman Sultan Selim I