User blog comment:Calbeius or Urukgoth/A Calbeius Original: The Explanation of Evil in the Fourth Age/@comment-25754873-20160105210543/@comment-26116279-20160105211452

Doesn't mean it didn't exist. Arnor would've taken years to repair especially with aragorn having to fight off easterlings and haradrim. Its very likely that gondor existed for at least a few years into the fourth age before the reunited kingdom was finished