In 1757, By whom was the Siraj-ud-daula defeated?
Robert Clive bribed Mir Jafar, the commander-in-chief of the Nawab's army, and also promised to make him Nawab of Bengal. Clive defeated Siraj-ud-Daulah at Plassey in 1757 and captured Calcutta. The combat was once preceded with the aid of an assault on British-controlled Calcutta by way of Nawab Siraj-ud-Daulah and the Black Hole massacre.