Sixty-five years ago today, on May 19, 1960 (April 24, 1960 lunar calendar), the Japanese Diet decided to amend the 1951 Japan-US Security Treaty with the United States. On May 19, 1960, the Japanese Diet held a heated debate in the Diet on amending the 1951 Japan-US Security Treaty with the United States. Opponents and supporters refused to give in to each other during the debate, and the whole venue was chaotic, and the police had to be dispatched to maintain order. Finally, the Speaker was dragged to the chair under protection and announced loudly that a resolution to amend the treaty was passed.