: Launch their own rebellion to reclaim the independence of the Iron Islands. 4. Across the Narrow Sea: The Targaryen Return In the east (Essos), the last Targaryens plan their return.

: Robert’s brothers, Stannis and Renly , both claim the throne as the rightful heirs.

: Following the death of Jon Arryn , King Robert travels to Winterfell to ask his oldest friend, Ned Stark , to serve as his Hand of the King.

: The "Mad King" Aerys II Targaryen executed Lyanna's father and brother, prompting Eddard "Ned" Stark and Robert Baratheon to lead a rebellion.

Explainer: Game of Thrones, the story so far - The Conversation

The current state of Westeros was forged 15 years before the series begins during a civil war known as Robert’s Rebellion .