What does the Hijra symbolize in Islam and what did it start?

Question

A. It means “sacred” and marks the beginning of worshipping in mosques.
B. It means “prophesize” and marks the beginning of the Sunnah tradition.
C. It means “divide” and marks the beginning of the Sunni-Shia split
D. It means “migration” and marks the beginning of the Muslim Era

Answer 1

D. It means “migration” and marks the beginning of the Muslim Era.

The Hijra refers to the migration of the Prophet Muhammad and his followers from Mecca to Medina in 622 CE. This event is significant in Islam and marks the beginning of the Islamic calendar (the Hijri calendar).