On 18 December 1878, Jassim bin Mohammed Al Thani succeeded his father Mohammed bin Thani as ruler of the Qatari Peninsula.
He is deemed to have unified all the local tribes by combating external forces, such as the British.
He also earned a considerable degree of autonomy for the tribes of the peninsula.

The holiday has been instrumental in developing a sense of national identity among locals and expats.
It has also helped improve knowledge and appreciation of Qatar's heritage.
On 18 December 1878, Jassim bin Mohammed Al Thani succeeded his father Mohammed bin Thani as ruler of the Qatari Peninsula. He is deemed to have unified all the local tribes by combating external forces, such as the British. He also earned a considerable degree of autonomy for the tribes of the peninsula.
The holiday has been instrumental in developing a sense of national identity among locals and expats. It has also helped improve knowledge and appreciation of Qatar's heritage.
National Day (Qatar)