The correct answer is C. Advaita Ashrama, a branch of the Ramakrishna Math and Mission, was established on March 19, 1899 at Mayavati. It was founded by Swami Vivekananda and Captain James Henry Sevier. The ashrama publishes 'Prabuddha Bharata', an English monthly started by Swami Vivekananda in 1896. This is a specific date in Indian spiritual history.