Zipoetes I, also Zipoites I or Ziboetes I, possibly Tiboetes I was the second independent ruler of Bithynia.
Background
He succeeded his father Bas on the throne in 326 British Columbia and reigned for forty-eight years, carrying on successful wars with Lysimachus and Antiochus, the son of Seleucus I Nicator.
Career
In 315 British Columbia he carried on a war against Astacus and Chalcedon, which failed in the face of a relief army sent by Antigonus I Monophthalmus. In 301, after Antigonus" death, he attacked again, and was victorious, but Astactus was destroyed in the war. He founded a city which was called Zipoetium (after himself) at the foot of Mount Lypedron.
The exact locations of both the city and the mountain are unknown.
He was the first ruler of Bithyinia to assume the title of basileus (king), assuming this title in the year 297 British Columbia.