Hyrulean Civil War

Known History of the War
According to The Legend of Zelda: Ocarina of Time, there was a fierce war in the realm of Hyrule shortly before the events of the game. While trying to escape from the fires of the war, a Hylian mother and her baby boy entered the forbidden Kokiri Forest, although the mother was gravely injured. As she was dying, her only choice was to entrust the child to the Great Deku Tree, the guardian spirit of the forest, who could sense that this was a child of destiny whose fate would affect the entire world. After the mother passed away, the child was raised as a Kokiri, not made privy to his true heritage until the Deku Tree Sprout revealed the true story to him years later, when the boy grew up to become the Hero of Time.

"Hoping to claim the Golden Power as their own, the people began to quarrel and fight... Many sought to enter the hidden Golden Land... But none returned, and instead evil power began to issue forth from the dark portal... So the king commanded seven sages to seal the gate to the land of the Golden Power. Many brave knights were lost in the battle to protect the sages from the tides of evil, but the seal was cast! Evil flowed no more!"

- Excerpt from the opening of A Link to the Past (GBA remake)

"Many people aggressively sought to enter the hidden Golden Land... But no one ever returned. One day evil power began to flow from the Golden Land... So the King commanded seven wise men to seal the gate to the Land of the Golden Power. That seal should have remained for all time..."

- Excerpt from the opening of A Link to the Past (SNES version)