In Greek mythology, the Titanomachy was the war in which Zeus and the younger gods defeated the Titans.
The conflict began after Zeus escaped Cronus, who had swallowed his earlier children because he feared a prophecy about his own overthrow. Zeus freed his siblings, gathered allies, and challenged the older Titan generation for control of the cosmos.
The war traditionally lasted ten years. Zeus and his allies eventually won with help from the Cyclopes and the Hecatoncheires, whom Zeus released from Tartarus. The victorious gods then divided cosmic realms, with Zeus receiving the sky, Poseidon the sea, and Hades the underworld.
The Titanomachy is distinct from the Gigantomachy, the later battle between the Olympian gods and the Giants. It is also separate from the Trojan War, a conflict involving mortal heroes and the city of Troy.