Talpur, who aided the British war effort during World War I, and was thus awarded the honorary title Lieutenant-Colonel in 1918. He passed in 1921, and was succeeded by His Highness Mir Ali Nawaz Khan. Under his rule, the feudal Cherr system of forced labour was abolished, while new canals were laid for irrigation. Mir Ali Nawaz Khan died in 1935, and was succeeded by Mir Faiz Muhammad Khan II, who had suffered from an unstable and nervous affliction, then became nominal leader. The Khairpur government instituted a council of regency under local ministers and ordered the Mir to live outside the state. After a period of twelve years, and shortly before the transfer of power, he abdicated in favour of his minor son in July 1947. The state acceded to the Dominion of Pakistan in October that year, and merged into West Pakistan in 1955. Manikani Talpurs of Mirpur Khas Mir Thara Khan, a relative of the Talpur founder Mir Fateh Ali Khan Talpur, established the Manikani branch in southeast Sindh around the area around Mirpur Khas - a city which was founded by his son Ali Murad Talpur. Mir Sher Muhammad Talpur succeeded Mir Ali Murad Talpur in 1829, and built a fort in the city when he declared the ruler of the state, and ran a kutchery from within the fort. Elaborate graves for the local rulers were built at Chitorri under his rule. and feature a syncretic architectural style that combines elements of Islamic and Rajasthani architecture. Mir Sher Muhammad Talpur established friendly relations with the Sikh emperor Ranjit Singh, but fought against the British. His battle for the Sindh state earned him the moniker "Lion of Sindh." Mirpur Khas remained the capital of the Talpur Mirs of Mirpurkhas until 1843, when Sindh was annexed to British India under the East India Company following the conquest of Sindh by Charles James Napier and defeat of Mir Sher Muhammad Talpur on 24 March 1843 at the battleground of Dubbo. During the battle, some local Sindhi jagirs are reported to have taken bribes from British forces, and aimed their guns towards Talpur forces. Following British victory, the chief's harem was entered, and its women plundered of their jewelry before being imprisoned. Shahwani Talpurs of Tando Muhammad Khan The Shahwani branch of the Talpur dynasty was established by Mir Muhammad Khan Talpur Shahwani, who died in 1813. Under his