The Brahmo Samaj was founded by Raja Ram Mohan Roy along with Dwarkanath Tagore and others on August 20, 1828 at Calcutta.
It was one of the most influential religious movements in India and made a significant contribution to the making of modern India
For further reading check the following articles:
- 19th Century Social and Religious Reforms Movements in India
- Raja Ram Mohan Roy
- Indian Education System During British Rule