The Sikh Empire was a significant historical state in the Indian subcontinent, founded in the early 19th century by Maharaja Ranjit Singh. It emerged after the decline of the Mughal Empire and unified various regions in present-day Punjab and parts of North India. The empire was known for its military strength, secular governance, and cultural achievements. At its height, the Sikh Empire was a powerful force, promoting trade and fostering a diverse society. It played a crucial role in the resistance against British colonial expansion. The empire lasted until the mid-19th century when it was annexed by the British after the Anglo-Sikh Wars.