What events occurred during the Battle of Fort Sumter?

Both sides engaged in a prolonged and indecisive conflict with no clear outcome.
The Confederate forces bombarded Fort Sumter, leading to the surrender of the Union garrison.
The battle ended in a peaceful negotiation, avoiding direct military confrontation.
The Union successfully defended the fort, forcing the Confederacy to retreat.

The Confederate forces bombarded Fort Sumter, leading to the surrender of the Union garrison.