Short answers, pulled from the story.
The Legend of Zelda was first released on the Famicom Disk System in February 1986. This initial launch marked the beginning of a global phenomenon that has captivated millions of players since that date.
The Triforce was created by the three golden goddesses Din, Farore, and Nayru. These deities designed the sacred artifact to grant wishes, though it lacks the ability to judge between good and evil.
Skyward Sword is the earliest game in the official timeline of The Legend of Zelda. In this title, the Triforce is sought by the eternal demon king Demise, who was sealed away by the goddess Hylia.
Koji Kondo is the composer responsible for the music in The Legend of Zelda series. He wrote the overworld theme within a single day after being forced to change his initial plan to use Maurice Ravel's Boléro.
Ocarina of Time received a Metacritic score of 99 out of 100, making it the highest-rated video game in history according to Guinness World Records. This score contributed to the series being recognized as the highest-rated video game in history.