Place the following events or periods in chronological order:
- Akbar becomes the emperor of the Mughal Empire
- Shah Jahan commissions the Taj Mahal
- Introduction of Shahrukhi coins
- Akbar's campaign in Gujarat
1
1,2,3,4
2
2,3,1,4
3
3,1,4,2
4
4,3,2,1
Place the following events or periods in chronological order: