[1][3] Muhammad bin Abdul Wahhab, religious leader of the state, asked people to express their allegiance to him as heir apparent.
[12] When Abdul Muhsin was killed by his tribe members in 1791, Saud again attacked them and won a victory eliminating the dominance of Bani Khalid in the region in 1792.
[7][12] In April 1802 Saud led an army with 12,000 Wahhabis and attacked Karbala destroying the tomb of Imam Hussain bin Ali, a grandson of Muhammad.
[13] Following the incident Saud sent a message to the Ottoman governor in Iraq stating: "As for your statement that we seized Karbala, slaughtered its people, and took their possessions — praise belongs to God, Lord of the Worlds!
[18] The Emirate extended its rule beyond Najd and into the Hijaz which culminated with the capture of Medina in April 1804[19] and Mecca in 1806.
[13] Saud's forces transformed the Kaaba in Mecca and destroyed the tombs of numerous religious figures in Medina in accordance with Wahhabi theology.
"[21] In 1807 Saud did not permit pilgrims from Egypt, Syria and Istanbul to enter Hijaz and expelled Turkish soldiers and settlers from Mecca.
[4] However, like his grandfather and father he dressed in a plain way, and his armaments were not decorated unlike those of the Mamluk and Ottoman rulers.
[25] His youngest son, Khalid, ruled the Emirate of Nejd or the Second Saudi State from 1838 to 1841 with the support of the Ottomans.