What did Swami Vivekananda die of?

On 4 July 1902, Swami Vivekananda passed away while meditating. According to his disciples, Vivekananda attained mahasamādhi- the rupture of a blood vessel in his brain was reported as a possible cause of death.

They even claimed that Swami Vivekananda fulfilled his own prophecy of not living forty years.

For further reading check the following articles:

• List of Socio-Religious Movements
• Dayananda Saraswati – Arya Samaj
• Indian Education System During British Rule