भारत को ब्रिटिश शासन से औपचारिक रूप से किस तिथि को स्वतंत्रता प्राप्त हुई?

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?