Thingol and Melian established the first Elven Kingdom of Doriath, leading those who stayed behind. Not only was Thingol an Elf King, but he instigated the Quest for the Silmarils, which ...

said Thingol, and guessed that he would ask for nothing small. "Mail, sword, and shield of my stature, lord," answered Turin. "Also by your leave I will now reclaim the Dragonhelm of my sires." ...

Thingol married a Maia named Melian, and they both became the King and Queen of Teleri. He achieved victory in the first battle of the Beleriand against the Orcs that Melkor sent in a failed attempt ...

Thingol was Celeborn’s great-uncle and he got into a fight with a group of Dwarf craftsmen over a necklace and ended up getting killed, leading to the eventual downfall of the kingdom of Doriath.