Rebirth (noun)

1. A new or second birth.
2. A new phase of life or renewed vigor.

Origin:

From the prefix "re-" and "birth".

Examples:

1. The city's rebirth after the war was remarkable.
2. The band's rebirth was marked by a new album.
3. The artist's rebirth was marked by a new exhibition.
4. The company's rebirth was marked by a new CEO.
5. The country's rebirth was marked by a new constitution.