Which one of the following pairs is incorrectly matched ?

Correct option is D

The death of Aurangzeb occurred in A.D. 1707, not 1709. The other pairs are correctly matched.
Important Key Points:
1. Aurangzeb was the last effective Mughal emperor.
2. The Kalinga War marked the transformation of Ashoka to Buddhism.
3. The Saka Era began in A.D. 78 and is used in Indian national calendars.
4. The Muslim Era, Hijri, began in A.D. 622 with the migration of Muhammad to Medina.
Information Booster:
 Aurangzeb: Known for expanding the Mughal Empire to its greatest extent.
 Kalinga War: Led to Ashoka's conversion to Buddhism.
 Saka Era: Adopted by the Indian government as a national calendar.
 Muslim Era: Marks the beginning of the Islamic calendar.