First Mosque of the Subcontinent
Bhambore (Sindhi: ڀنڀور) are the ruins of an ancient port city of Debal from 7th century located at the base of river Indus. The ruins are located approximately 60 km between Dhabejee and Gharo on the N-5 National Highway. Its population was mainly Hindu with minority Buddhist. It is largely known for the ruins of a castle destroyed by Muhammad Bin Qasim during invasion of Sindh and on a different note a true love story Sassui Punnhun.
Bhambore signifies the trading links between Arab and South Asian nations of its times. The reason for the new city of Bhambore came into being was because few pirates had kidnapped a ship(more importantly the people on that ship). A plea was filed with the Arab rulers in Baghdad(a major economic and military power then) in the region to rescue them. When diplomacy failed to release those people, an expedition was sent to the area under command of Muhammad Bin Qasim. With superior military might and planning he was able to make an amphibious landing and established his presence here. One of the reasons cited for the success of this expedition is the unhappiness of the Buddhist population and it is believed they helped the coming invaders.
Bhambore was later abandoned due to change in course of the river. Evidence of earthquake and regional invaders is also cited for the movement of the population away from the area and crumbling of the castle. The river delta is now a creek,
WIKIPEDIA - Banbhore (https://en.wikipedia.org/wiki/Banbhore)
WIKIPEDIA - Debal (https://en.wikipedia.org/wiki/Debal)