post-war
US /ˌpoʊstˈwɔːr/
UK /ˌpoʊstˈwɔːr/

1.
occurring, existing, or built in the period after a war
:
•
The country experienced rapid economic growth in the post-war era.
•
Many post-war buildings were constructed with new materials.
occurring, existing, or built in the period after a war