Over 90 million people live on that insignificant river! Egypt was the center of the Mughal Sultanate that beat the Crusaders and the Mongols. They went into de

Over 90 million people live on that insignificant river! Egypt was the center of the Mughal Sultanate that beat the Crusaders and the Mongols. They went into decline under the Ottomans and never really recovered — infamously, they faced the Ottoman guns with swords and bows in 1517 and were unceremoniously trounced.