English: During the 1857 First War of Indian Independence from British colonialism, many Indian soldiers revolted against the British Army which is known as Gadar of 1857 . Around 500 soldiers revolted at Mian Mir Cantonment in Lahore. They swam across the Ravi River to reach the town of Ajnala, which is now in Amritsar district. out of them, 218 were killed by British soldiers at Dadian Sofian village near Ajnala. The remaining 282 were stuffed in a small room, where many died of asphyxiation.Then their bodies were thrown into a well, which was later named "Kalianwala Khu" and "Shaheedan da Khu".