Aga Khan IV, the 49th hereditary Imam of the Ismaili Muslims, passed away at 88 in Lisbon, Portugal, surrounded by family. Known for his philanthropic leadership and efforts to bridge cultural divides, the Aga Khan made significant contributions to healthcare, education, and Islamic culture. His death has prompted tributes worldwide, celebrating his vision of peace, tolerance, and compassion. His successor will be announced following the reading of his will.