The first known head of the Al Ali when they settled at Umm Al Quwain was
Sheikh Rashid bin Majid Al Mualla. Sheikh Rashid was responsible for the construction of
Umm Al Quwain Fort in the town in 1768, today home to Umm Al Quwain museum. The fort and its watchtower were built after the Al Ali tribe moved from the island of Sinniyah to the mainland after water supplies on the island were exhausted. == Rulers ==