The correct answer is option 4, Amritsar. The Jallianwala Bagh Massacre took place on April 13, 1919, in Amritsar, Punjab, India. This tragic event occurred during the British colonial rule when a peaceful protest against the Rowlatt Act was held at Jallianwala Bagh, a public garden. The British Indian Army under the command of General Reginald Dyer opened fire on the crowd of protesters, killing hundreds of people and injuring many more. This event was a turning point in India`s struggle for independence and played a significant role in shaping the movement against British rule. The massacre is remembered as a brutal act of violence and a symbol of colonial oppression.