Create a timeline to illustrate the events of the following story.
Once upon a time, there was a princess who lived in a castle in the countryside. She met a handsome prince, who declared his love for her and asked her to marry him.
**Timeline of Events**

1. Once upon a time: The story begins.
2. The princess lived in a castle in the countryside.
3. The princess meets a handsome prince.
4. The prince declares his love for the princess.
5. The prince asks the princess to marry him.
Complete the following task based on the instruction and optional input provided.### Instruction:
Create a timeline to illustrate the events of the following story.

### Input:
Once upon a time, there was a princess who lived in a castle in the countryside. She met a handsome prince, who declared his love for her and asked her to marry him.

### Output:
**Timeline of Events**

1. Once upon a time: The story begins.
2. The princess lived in a castle in the countryside.
3. The princess meets a handsome prince.
4. The prince declares his love for the princess.
5. The prince asks the princess to marry him.