The structure of the UPSC examination has been influenced significantly by various historical events in India, such as the British colonial rule, which established the need for a competent administrative service. Post-independence, reforms in the Constitution led to a more structured examination process, focusing on both knowledge and analytical skills. Major events like the Chipko movement and non-violence movement have also influenced examination topics, prompting adaptability in the syllabus to reflect India's social movements and dynamics, ensuring candidates are prepared to serve a diverse nation.