How did Swami Vivekananda die and what were the circumstances surrounding his passing?

Swami Vivekananda died on July 4, 1902, at the age of 39. The cause of his death was heart failure. He had been in poor health for some time, and his intense work and travel schedule likely contributed to his declining health. Vivekananda's passing was mourned by many, as he was a highly respected spiritual leader and philosopher.