- Prophet Muhammad founded Islam in 570 AD and received revelations from Gabriel in 610 AD instructing him to convey the message of believing in one God, Allah. However, he faced resistance and persecution in Mecca, leading him to flee to Medina in 622 AD, marking the beginning of the Islamic calendar.
- Several invaders later conquered parts of India, including Muhammad bin Qasim who defeated the king of Sindh in 712 AD, Muhammad Ghazni who attacked India 17 times between 1000-1026 AD plundering wealth and destroying temples, and Muhammad Ghauri who defeated Prithviraj Chauhan in 1192 AD capturing Delhi.
- The Delhi Sultan