This is the 17359th most frequent Turkish word.
ünlerine
"Ünlerine" means "to their fame/reputation."
Here, "ünlerine" refers to the fame or reputation ("ün") that someone has or has achieved, combined with the possessive suffix ("-leri", "their") and the dative case marker ("-ne"), indicating directional movement (towards reaching their fame).
Ünlerine kavuşan sanatçıların hayat hikayeleri ilham vericidir.
The life stories of artists who attained their fame are inspiring.
In this sentence, "ünlerine" indicates the fame associated with ancient kingdoms ("ün" with possessive suffix "their", dative "-ne"), emphasizing an attribution to those kingdoms.
Eski krallıklar ünlerine tarih kitaplarında bile yer veriyor.
Even history books mention the fame of ancient kingdoms.
Here, "ünlerine" functions similarly, referring to the attribute "fame" connected to the subjects ("their" fame), under situations involving impact or reference towards it.