In 1820 Muhammad Ali dispatched an army of 5,000 troops commanded by his third son , Ismail and Abidin Bey , south into Sudan with the intent of conquering the territory and subjugating it to his authority .
In 1820 Muhammad Ali dispatched an army of 5,000 troops commanded by his third son , Ismail , south into Sudan with the intent of conquering the territory and subjugating it to his authority .