Jharkhand celebrates the Hul Diwas every year on June 30 as the Santhal rebellion (also known as the Sonthal rebellion or the Santhal Hul ) shook the mighty British Raj in 1855-56. Most of the Indian history books mention the Revolt of .
The 19th century rebellion actually began as a movement against exploitation by Indian 'upper' caste zamindars, moneylenders, merchants and police officials who had come to dominate the economic sphere of Santhal life.