Palpatine’s strategy to erase the memory of the Jedi from the galaxy was a calculated and multifaceted effort, executed swiftly and ruthlessly. Here’s how he achieved this:

Propaganda and Censorship
Palpatine immediately outlawed all forms of Jedi imagery, including photos, holograms, and toys. This prohibition extended to anything that could remind the public of the Jedi. By doing so, he sought to eliminate the visual and cultural presence of the Jedi in everyday life. The Empire enforced these bans rigorously. Imperial forces would invade homes to confiscate and destroy any items related to the Jedi, such as toy lightsabers and Jedi robes. This aggressive approach ensured that children and families would no longer have tangible reminders of the Jedi Order.

Control of Information and Education
Palpatine banned any mention of the Jedi in educational materials and discussions. Teachers were forbidden from speaking about the Jedi, effectively removing them from the curriculum. This was a critical move to ensure that the younger generation would grow up without knowledge of the Jedi's history and contributions. The Empire launched a widespread propaganda campaign to vilify the Jedi, portraying them as traitors and enemies of the state. This narrative was spread through news outlets, public speeches, and state-controlled media, ensuring that the public perception of the Jedi was overwhelmingly negative.

Suppression of Jedi Survivors and Relics
The Empire established the Inquisitorius, a group of Dark Side Force users tasked with hunting down and eliminating any surviving Jedi. This relentless pursuit ensured that few Jedi survived to tell their stories or inspire resistance. Jedi temples, artifacts, and other historical records were systematically destroyed or hidden. This physical eradication of Jedi history further ensured that future generations would have no connection to the Jedi legacy.

Psychological Warfare
Palpatine’s regime created an atmosphere of fear and suspicion. Families and communities were too afraid to speak of the Jedi or preserve their memories, fearing retribution from the Empire. This social pressure played a significant role in the rapid erasure of Jedi memory. By fostering distrust among the populace, Palpatine ensured that any Jedi sympathizers or those who remembered the Jedi fondly were isolated and marginalized. This division made it difficult for any collective memory of the Jedi to persist or be shared.

Consolidation of Power
Palpatine centralized power and created a tightly controlled government where dissent and deviation from the state’s narrative were not tolerated. This centralization made it easier to enforce his policies and control information flow. The Empire actively rewrote history to suit its narrative, casting the Jedi in a negative light and erasing their positive contributions. Over time, the official historical record reflected only the Empire’s version of events, further solidifying the new reality where the Jedi were villains.

Psychological Impact
By targeting the younger generation and ensuring they grew up without knowledge of the Jedi, Palpatine created a generational gap. Older individuals who remembered the Jedi were fewer in number and less able to influence the younger, indoctrinated generation. As the memory of the Jedi faded, the authoritarian rule of the Empire became the new norm. People adapted to the new reality, and the absence of the Jedi became just another aspect of everyday life, reducing the likelihood of resistance based on Jedi ideals.

Long-term Effects
Over time, the cultural landscape of the galaxy shifted. The values and principles once upheld by the Jedi were replaced by those of the Empire. This cultural shift ensured that even if remnants of Jedi memory persisted, they were seen as relics of a bygone era, not relevant to the current state of the galaxy. By erasing the Jedi and their teachings, Palpatine ensured that new generations of Force-sensitive individuals grew up without guidance or knowledge of their potential. This isolation made it easier for the Empire to identify and control or eliminate these individuals before they could become a threat.

In summary, Palpatine's erasure of the Jedi from the galaxy's memory was a comprehensive and ruthless campaign involving propaganda, censorship, education control, destruction of historical records, and psychological manipulation. Through these methods, he ensured that the Jedi Order would be forgotten, and his rule would remain unchallenged.