Complex sentence: Primorsk was first mentioned in Russian chronicles as Beryozovskoye (lit. "birch village") in 1268, when the Hanseatic merchants from Gotland petitioned the Novgorod Republic to secure their passage to the Neva River.
Split into simpler sentences: Primorsk was first mentioned in Russian chronicles as Beryozovskoye (lit. "birch village"). In 1268, when the Hanseatic merchants from Gotland petitioned the Novgorod Republic to secure their passage to the Neva River.