While modern canon often points solely to Palpatine, Legends took 13 years to fully explain that the "Phantom Menace" also referred to the Sith Lords' hidden hand in shadows. Key Story Additions from the Novelization
Sidious reflects on the Rule of Two and Darth Bane , who lived approximately 2,000 years prior (later retconned to 1,000 in canon). Star Wars: Episode I - The Phantom Menace Legen...
The "Menace Revealed" era of Legends bridged the gap between episodes. While modern canon often points solely to Palpatine,
The book mentions that Qui-Gon’s Master (not yet named as Dooku at the time of writing) regarded him as one of the Order’s best duelists in 400 years. Expanded Media & Pre-Phantom Menace Era who lived approximately 2