Sir Sultan Mohammed Shah Aga Khan III, born on November 2, 1877, was the 48th Imam of the Nizari Ismaili Muslims and an influential leader with a profound impact on the Islamic world and global affairs. His life, spanning from the late 19th century to the mid-20th century, encompassed monumental changes in politics, religion, and society. Aga Khan III emerged as a pioneering figure who advocated for Muslim unity, modernization, and socio-economic development, leaving a legacy that continues to resonate today. His impact has been further amplified and expanded by his grandson and current Imam, Aga Khan IV, who carries forward his mission in the modern era.