The term "Blackfyre" refers to a significant historical event and a prominent family in the fictional universe of A Song of Ice and Fire, created by George R.R. Martin. The Blackfyre family is known for its claim to the Iron Throne of Westeros, originating from a legitimized bastard of the Targaryen dynasty. The Blackfyres are central to several civil wars known as the Blackfyre Rebellions, which were fought against the ruling Targaryens. The first Blackfyre Rebellion began when Daemon Blackfyre, the legitimized son of King Aegon IV, sought to claim the throne. This conflict led to a series of power struggles that significantly impacted the political landscape of Westeros. The Blackfyre lineage is marked by ambition and rivalry, with various claimants emerging over the years, each seeking to restore their family's legacy.