Consider the following events:
1. Launch of Non-Cooperation Movement
2. All-India Khilafat Conference in Delhi
3. Passing of the Rowlatt Act
4. Jallianwala Bagh incident
Which one of the following is the correct chronological order of the given events (earliest to latest)?
1
1,2,3,4
2
3,4,2,1
3
3,2,4,1
4
2,3,4,1