Maharaja of the Sikh Empire from 1801 to 1839
Source (Wikipedia): Ranjit Singh

Ranjit Singh was the founder and first maharaja of the Sikh Empire, ruling from 1801 until his death in 1839. He ruled the northwest Indian subcontinent in the early half of the 19th century. He survived smallpox in infancy but lost sight in his left eye. He fought his first battle alongside his father at age 10.