Answer:
The event order is:
1. Muhammad received his first message from God while meditating in a cave.
2. Muhammad moved from Mecca to Medina with his followers.
3 Muhammad created the first Muslim community.
4. Abu Bakr became the leader of Islam after Muhammad.
Explanation:
The answer is self explanatory.
However, I'll add little notes.
(1) Showed when Muhammad received his calling
(2) happened when he was faced with brutalities in Mecca. So, he had to migrate to Medinah
(3) He creates first Muslim community after moving to Medinah.
(4) happened after the demise of Muhammad
