advanced parts in the world. Bengal Subah generated almost half of the empire's GDP and 12% of the world's GDP, larger than the entirety of western Europe. With the arrival of the Europeans in the 17th century, outposts were established in Odisha Coast and Bengal. The European traders established their trade centres in the ports of Balasore, Pipili, Palur in the Odisha Coast during the rule of the last independent Hindu king Gajapati Prataprudra Dev. The Portuguese were in Chittagong, Dutch in Chinsura, French in Pondicherry and the English founded Calcutta. The Maratha Invasion of Bengal badly affected the economy of Bengal and it is estimated that 400,000 people were butchered by the Hindu Maratha bargis and many women and children gang raped, and the genocide has been considered to be among the deadliest massacres in Indian history. In 1756, the British East India Company defeated the local Indian Muslim rulers in Plassey and established British Rule in the subcontinent. Its capital Calcutta grew into one of the world's greatest ports. Tea from Calcutta was off-loaded by American separatists in the American War of Independence in the 1770s. In the 19th century, Calcutta's traders and merchants traded with the rest of the British Empire, continental Europe, the United States and China. Indentured Indian labourers from Bihar, sailed to new homes in Fiji, Mauritius, Guyana, Surinam and South Africa. India's independence movement had strong roots in East India. The feudal land system, established through the Permanent Settlement of Bengal, was unpopular among the peasant cultivators and the numerous agricultural labourers found all over Bihar and Bengal (Khetmazdoors). The Indian Rebellion of 1857 started in Bengal. British war propaganda asserted there were atrocities by the mutinous soldiers in the Black Hole of Calcutta. Eventually the British prevailed, and Calcutta remained capital of Britain's Asian dominions until 1911. During Gandhi's independence movement, the Bihari village of Champaran was an important supporter of non-violent resistance. Great poets of the stature of Rabindranath Tagore championed the movement for self-rule. The Partition also had its roots in undivided Eastern India. The Muslim League was founded in Dhaka in 1906. In the 1937 provincial elections, it came to power in Bengal in alliance with the Krishak Praja Party. in 1944, it gained an absolute majority in the Bengal Assembly, and Hussein Suhrawardy became the Chief Minister. After widespread communal violence during the Direct Action Day protests in