The timeline summarizes important events in the Indian freedom struggle from 1857 to 1947. Key events include the founding of the Indian National Congress in 1885, the launch of non-cooperation and civil disobedience movements led by Gandhi, the Lahore Resolution of 1929 calling for independence, the Quit India movement of 1942, and the eventual independence and partition of India in 1947 which established two new sovereign nations - India and Pakistan.