Historical timelines are relevant for UPSC preparation as they provide context for understanding contemporary governance and policy issues. A firm grasp of historical developments allows candidates to analyze how past events shape current political, social, and economic landscapes. Timelines help connect the dots between significant milestones and ongoing challenges, emphasizing the lessons learned from history. This contextual knowledge not only aids in examinations but also enriches candidates' perspectives on governance and enhances their decision-making capabilities in public service.