Past events shape current affairs knowledge in relation to the UPSC syllabus by establishing a continuum of understanding. Aspirants should recognize how historical contexts impact present-day issues, policies, and government decisions. Understanding the roots of contemporary problems enables candidates to analyze situations critically and develop informed opinions. Consequently, aspirants must integrate knowledge from both history and ongoing developments to excel in subjects evaluating current affairs, ensuring they can respond effectively in both written and interview components of the examination.