Historical revisionism can significantly alter political narratives by reshaping collective memories and interpretations of events. As new evidence emerges or perspectives evolve, the re-evaluation of history can influence present-day political ideologies, policies, and identities. Revisionism can serve both constructive and detrimental purposes; while it may correct misconceptions and promote understanding, it can also lead to polarization if used to manipulate or deny historical facts. Ultimately, how history is revised affects societal perceptions, fostering a dialogue that shapes current political discourse and public policy.